예제 #1
0
    def factor_perm_repn(self, nfgg=None):
        if 'artincoefs' in self._data:
            return self._data['artincoefs']
        try:
            if nfgg is not None:
                self._data["nfgg"] = nfgg
            elif "nfgg" not in self._data:
                from lmfdb.artin_representations.math_classes import NumberFieldGaloisGroup
                nfgg = NumberFieldGaloisGroup(self._data['coeffs'])
                self._data["nfgg"] = nfgg
            else:
                nfgg = self._data["nfgg"]

            cc = nfgg.conjugacy_classes()
            # cc is list, each has methods group, size, order, representative
            ccreps = [x.representative() for x in cc]
            ccns = [int(x.size()) for x in cc]
            ccreps = [x.cycle_string() for x in ccreps]
            ccgen = '['+','.join(ccreps)+']'
            ar = nfgg.artin_representations() # list of artin reps from db
            arfull = nfgg.artin_representations_full_characters() # list of artin reps from db
            gap.set('fixed', 'function(a,b) if a*b=a then return 1; else return 0; fi; end;');
            g = gap.Group(ccgen)
            h = g.Stabilizer('1')
            rc = g.RightCosets(h)
            # Permutation character for our field
            permchar = [gap.Sum(rc, 'j->fixed(j,'+x+')') for x in ccreps]
            charcoefs = [0 for x in arfull]
            # list of lists (inner are giving char values
            ar2 = [x[0] for x in arfull]
            for j in range(len(ar)):
                fieldchar = int(arfull[j][1])
                zet = CyclotomicField(fieldchar).gen()
                ar2[j] = [psum(zet, x) for x in ar2[j]]
            for j in range(len(ar)):
                charcoefs[j] = 0
                for k in range(len(ccns)):
                    charcoefs[j] += int(permchar[k])*ccns[k]*ar2[j][k]
            charcoefs = [x/int(g.Size()) for x in charcoefs]
            self._data['artincoefs'] = charcoefs
            return charcoefs

        except AttributeError:
            return []

        return []
예제 #2
0
 def artin_reps(self, nfgg=None):
     if nfgg is not None:
         self._data["nfgg"] = nfgg
     else:
         if "nfgg" not in self._data:
             from lmfdb.artin_representations.math_classes import NumberFieldGaloisGroup
             nfgg = NumberFieldGaloisGroup.find_one({"label": self.label})
             self._data["nfgg"] = nfgg
         else:
             nfgg = self._data["nfgg"]
     return nfgg.artin_representations()
예제 #3
0
 def artin_reps(self, nfgg=None):
     if nfgg is not None:
         self._data["nfgg"] = nfgg
     else:
         if "nfgg" not in self._data:
             from lmfdb.artin_representations.math_classes import NumberFieldGaloisGroup
             nfgg = NumberFieldGaloisGroup.find_one({"label": self.label})
             self._data["nfgg"] = nfgg
         else:
             nfgg = self._data["nfgg"]
     return nfgg.artin_representations()
예제 #4
0
def render_field_webpage(args):
    data = None
    info = {}
    bread = [('Global Number Fields', url_for(".number_field_render_webpage"))]

    # This function should not be called unless label is set.
    label = clean_input(args['label'])
    nf = WebNumberField(label)
    data = {}
    if nf.is_null():
        bread.append(('Search Results', ' '))
        info['err'] = 'There is no field with label %s in the database' % label
        info['label'] = args['label_orig'] if 'label_orig' in args else args[
            'label']
        return search_input_error(info, bread)

    info['wnf'] = nf
    data['degree'] = nf.degree()
    data['class_number'] = nf.class_number_latex()
    ram_primes = nf.ramified_primes()
    t = nf.galois_t()
    n = nf.degree()
    data['is_galois'] = nf.is_galois()
    data['is_abelian'] = nf.is_abelian()
    if nf.is_abelian():
        conductor = nf.conductor()
        data['conductor'] = conductor
        dirichlet_chars = nf.dirichlet_group()
        if len(dirichlet_chars) > 0:
            data['dirichlet_group'] = [
                '<a href = "%s">$\chi_{%s}(%s,&middot;)$</a>' %
                (url_for('characters.render_Dirichletwebpage',
                         modulus=data['conductor'],
                         number=j), data['conductor'], j)
                for j in dirichlet_chars
            ]
            data['dirichlet_group'] = r'$\lbrace$' + ', '.join(
                data['dirichlet_group']) + r'$\rbrace$'
        if data['conductor'].is_prime() or data['conductor'] == 1:
            data['conductor'] = "\(%s\)" % str(data['conductor'])
        else:
            factored_conductor = factor_base_factor(data['conductor'],
                                                    ram_primes)
            factored_conductor = factor_base_factorization_latex(
                factored_conductor)
            data['conductor'] = "\(%s=%s\)" % (str(
                data['conductor']), factored_conductor)
    data['galois_group'] = group_display_knowl(n, t)
    data['cclasses'] = cclasses_display_knowl(n, t)
    data['character_table'] = character_table_display_knowl(n, t)
    data['class_group'] = nf.class_group()
    data['class_group_invs'] = nf.class_group_invariants()
    data['signature'] = nf.signature()
    data['coefficients'] = nf.coeffs()
    nf.make_code_snippets()
    D = nf.disc()
    data['disc_factor'] = nf.disc_factored_latex()
    if D.abs().is_prime() or D == 1:
        data['discriminant'] = "\(%s\)" % str(D)
    else:
        data['discriminant'] = "\(%s=%s\)" % (str(D), data['disc_factor'])
    data['frob_data'], data['seeram'] = frobs(nf)
    # Bad prime information
    npr = len(ram_primes)
    ramified_algebras_data = nf.ramified_algebras_data()
    if isinstance(ramified_algebras_data, str):
        loc_alg = ''
    else:
        # [label, latex, e, f, c, gal]
        loc_alg = ''
        for j in range(npr):
            if ramified_algebras_data[j] is None:
                loc_alg += '<tr><td>%s<td colspan="7">Data not computed' % str(
                    ram_primes[j])
            else:
                mydat = ramified_algebras_data[j]
                p = ram_primes[j]
                loc_alg += '<tr><td rowspan="%d">$%s$</td>' % (len(mydat),
                                                               str(p))
                mm = mydat[0]
                myurl = url_for('local_fields.by_label', label=mm[0])
                lab = mm[0]
                if mm[3] * mm[2] == 1:
                    lab = r'$\Q_{%s}$' % str(p)
                loc_alg += '<td><a href="%s">%s</a><td>$%s$<td>$%d$<td>$%d$<td>$%d$<td>%s<td>$%s$' % (
                    myurl, lab, mm[1], mm[2], mm[3], mm[4], mm[5],
                    show_slope_content(mm[8], mm[6], mm[7]))
                for mm in mydat[1:]:
                    lab = mm[0]
                    if mm[3] * mm[2] == 1:
                        lab = r'$\Q_{%s}$' % str(p)
                    loc_alg += '<tr><td><a href="%s">%s</a><td>$%s$<td>$%d$<td>$%d$<td>$%d$<td>%s<td>$%s$' % (
                        myurl, lab, mm[1], mm[2], mm[3], mm[4], mm[5],
                        show_slope_content(mm[8], mm[6], mm[7]))
        loc_alg += '</tbody></table>'

    ram_primes = str(ram_primes)[1:-1]
    if ram_primes == '':
        ram_primes = r'\textrm{None}'
    data['phrase'] = group_phrase(n, t)
    zk = nf.zk()
    Ra = PolynomialRing(QQ, 'a')
    zk = [latex(Ra(x)) for x in zk]
    zk = ['$%s$' % x for x in zk]
    zk = ', '.join(zk)
    grh_label = '<small>(<a title="assuming GRH" knowl="nf.assuming_grh">assuming GRH</a>)</small>' if nf.used_grh(
    ) else ''
    # Short version for properties
    grh_lab = nf.short_grh_string()
    if 'Not' in str(data['class_number']):
        grh_lab = ''
        grh_label = ''
    pretty_label = field_pretty(label)
    if label != pretty_label:
        pretty_label = "%s: %s" % (label, pretty_label)

    info.update(data)
    if nf.degree() > 1:
        gpK = nf.gpK()
        rootof1coeff = gpK.nfrootsof1()
        rootofunityorder = int(rootof1coeff[1])
        rootof1coeff = rootof1coeff[2]
        rootofunity = web_latex(
            Ra(
                str(pari("lift(%s)" % gpK.nfbasistoalg(rootof1coeff))).replace(
                    'x', 'a')))
        rootofunity += ' (order $%d$)' % rootofunityorder
    else:
        rootofunity = web_latex(Ra('-1')) + ' (order $2$)'

    info.update({
        'label': pretty_label,
        'label_raw': label,
        'polynomial': web_latex_split_on_pm(nf.poly()),
        'ram_primes': ram_primes,
        'integral_basis': zk,
        'regulator': web_latex(nf.regulator()),
        'unit_rank': nf.unit_rank(),
        'root_of_unity': rootofunity,
        'fund_units': nf.units(),
        'grh_label': grh_label,
        'loc_alg': loc_alg
    })

    bread.append(('%s' % info['label_raw'], ' '))
    info['downloads_visible'] = True
    info['downloads'] = [('worksheet', '/')]
    info['friends'] = []
    if nf.can_class_number():
        # hide ones that take a lond time to compute on the fly
        # note that the first degree 4 number field missed the zero of the zeta function
        if abs(D**n) < 50000000:
            info['friends'].append(('L-function', "/L/NumberField/%s" % label))
    info['friends'].append(('Galois group', "/GaloisGroup/%dT%d" % (n, t)))
    if 'dirichlet_group' in info:
        info['friends'].append(('Dirichlet character group',
                                url_for("characters.dirichlet_group_table",
                                        modulus=int(conductor),
                                        char_number_list=','.join(
                                            [str(a) for a in dirichlet_chars]),
                                        poly=info['polynomial'])))
    resinfo = []
    galois_closure = nf.galois_closure()
    if galois_closure[0] > 0:
        if len(galois_closure[1]) > 0:
            resinfo.append(('gc', galois_closure[1]))
            if len(galois_closure[2]) > 0:
                info['friends'].append(('Galois closure',
                                        url_for(".by_label",
                                                label=galois_closure[2][0])))
        else:
            resinfo.append(('gc', [dnc]))

    sextic_twins = nf.sextic_twin()
    if sextic_twins[0] > 0:
        if len(sextic_twins[1]) > 0:
            resinfo.append(('sex', r' $\times$ '.join(sextic_twins[1])))
        else:
            resinfo.append(('sex', dnc))

    siblings = nf.siblings()
    # [degsib list, label list]
    # first is list of [deg, num expected, list of knowls]
    if len(siblings[0]) > 0:
        for sibdeg in siblings[0]:
            if len(sibdeg[2]) == 0:
                sibdeg[2] = dnc
            else:
                sibdeg[2] = ', '.join(sibdeg[2])
                if len(sibdeg[2]) < sibdeg[1]:
                    sibdeg[2] += ', some ' + dnc

        resinfo.append(('sib', siblings[0]))
        for lab in siblings[1]:
            if lab != '':
                labparts = lab.split('.')
                info['friends'].append(("Degree %s sibling" % labparts[0],
                                        url_for(".by_label", label=lab)))

    arith_equiv = nf.arith_equiv()
    if arith_equiv[0] > 0:
        if len(arith_equiv[1]) > 0:
            resinfo.append(
                ('ae', ', '.join(arith_equiv[1]), len(arith_equiv[1])))
            for aelab in arith_equiv[2]:
                info['friends'].append(('Arithmetically equivalent sibling',
                                        url_for(".by_label", label=aelab)))
        else:
            resinfo.append(('ae', dnc, len(arith_equiv[1])))

    info['resinfo'] = resinfo
    learnmore = learnmore_list()
    #if info['signature'] == [0,1]:
    #    info['learnmore'].append(('Quadratic imaginary class groups', url_for(".render_class_group_data")))
    # With Galois group labels, probably not needed here
    # info['learnmore'] = [('Global number field labels',
    # url_for(".render_labels_page")), ('Galois group
    # labels',url_for(".render_groups_page")),
    # (Completename,url_for(".render_discriminants_page"))]
    title = "Global Number Field %s" % info['label']

    if npr == 1:
        primes = 'prime'
    else:
        primes = 'primes'

    properties2 = [('Label', label), ('Degree', '$%s$' % data['degree']),
                   ('Signature', '$%s$' % data['signature']),
                   ('Discriminant', '$%s$' % data['disc_factor']),
                   ('Ramified ' + primes + '', '$%s$' % ram_primes),
                   ('Class number', '%s %s' % (data['class_number'], grh_lab)),
                   ('Class group',
                    '%s %s' % (data['class_group_invs'], grh_lab)),
                   ('Galois Group', group_display_short(data['degree'], t))]
    downloads = []
    for lang in [["Magma", "magma"], ["SageMath", "sage"], ["Pari/GP", "gp"]]:
        downloads.append(('Download {} code'.format(lang[0]),
                          url_for(".nf_code_download",
                                  nf=label,
                                  download_type=lang[1])))
    from lmfdb.artin_representations.math_classes import NumberFieldGaloisGroup
    try:
        info["tim_number_field"] = NumberFieldGaloisGroup(nf._data['coeffs'])
        v = nf.factor_perm_repn(info["tim_number_field"])

        def dopow(m):
            if m == 0: return ''
            if m == 1: return '*'
            return '*<sup>%d</sup>' % m

        info["mydecomp"] = [dopow(x) for x in v]
    except AttributeError:
        pass
    return render_template("number_field.html",
                           properties2=properties2,
                           credit=NF_credit,
                           title=title,
                           bread=bread,
                           code=nf.code,
                           friends=info.pop('friends'),
                           downloads=downloads,
                           learnmore=learnmore,
                           info=info)
예제 #5
0
def render_field_webpage(args):
    data = None
    info = {}
    bread = bread_prefix()

    # This function should not be called unless label is set.
    label = clean_input(args['label'])
    nf = WebNumberField(label)
    data = {}
    if nf.is_null():
        if re.match(r'^\d+\.\d+\.\d+\.\d+$', label):
            flash_error("Number field %s was not found in the database.",
                        label)
        else:
            flash_error("%s is not a valid label for a number field.", label)
        return redirect(url_for(".number_field_render_webpage"))

    info['wnf'] = nf
    data['degree'] = nf.degree()
    data['class_number'] = nf.class_number_latex()
    ram_primes = nf.ramified_primes()
    t = nf.galois_t()
    n = nf.degree()
    data['is_galois'] = nf.is_galois()
    data['autstring'] = r'\Gal' if data['is_galois'] else r'\Aut'
    data['is_abelian'] = nf.is_abelian()
    if nf.is_abelian():
        conductor = nf.conductor()
        data['conductor'] = conductor
        dirichlet_chars = nf.dirichlet_group()
        if dirichlet_chars:
            data['dirichlet_group'] = [
                r'<a href = "%s">$\chi_{%s}(%s,&middot;)$</a>' %
                (url_for('characters.render_Dirichletwebpage',
                         modulus=data['conductor'],
                         number=j), data['conductor'], j)
                for j in dirichlet_chars
            ]
            if len(data['dirichlet_group']) == 1:
                data[
                    'dirichlet_group'] = r'<span style="white-space:nowrap">$\lbrace$' + data[
                        'dirichlet_group'][0] + r'$\rbrace$</span>'
            else:
                data['dirichlet_group'] = r'$\lbrace$' + ', '.join(
                    data['dirichlet_group']
                    [:-1]) + '<span style="white-space:nowrap">' + data[
                        'dirichlet_group'][-1] + r'$\rbrace$</span>'
        if data['conductor'].is_prime() or data['conductor'] == 1:
            data['conductor'] = r"\(%s\)" % str(data['conductor'])
        else:
            factored_conductor = factor_base_factor(data['conductor'],
                                                    ram_primes)
            factored_conductor = factor_base_factorization_latex(
                factored_conductor)
            data['conductor'] = r"\(%s=%s\)" % (str(
                data['conductor']), factored_conductor)
    data['galois_group'] = group_pretty_and_nTj(n, t, True)
    data['auts'] = db.gps_transitive.lookup(r'{}T{}'.format(n, t))['auts']
    data['cclasses'] = cclasses_display_knowl(n, t)
    data['character_table'] = character_table_display_knowl(n, t)
    data['class_group'] = nf.class_group()
    data['class_group_invs'] = nf.class_group_invariants()
    data['signature'] = nf.signature()
    data['coefficients'] = nf.coeffs()
    nf.make_code_snippets()
    D = nf.disc()
    data['disc_factor'] = nf.disc_factored_latex()
    if D.abs().is_prime() or D == 1:
        data['discriminant'] = bigint_knowl(D, cutoff=60, sides=3)
    else:
        data['discriminant'] = bigint_knowl(
            D, cutoff=60,
            sides=3) + r"\(\medspace = %s\)" % data['disc_factor']
    if nf.frobs():
        data['frob_data'], data['seeram'] = see_frobs(nf.frobs())
    else:  # fallback in case we haven't computed them in a case
        data['frob_data'], data['seeram'] = frobs(nf)
    # This could put commas in the rd, we don't want to trigger spaces
    data['rd'] = ('$%s$' % fixed_prec(nf.rd(), 2)).replace(',', '{,}')
    # Bad prime information
    npr = len(ram_primes)
    ramified_algebras_data = nf.ramified_algebras_data()
    if isinstance(ramified_algebras_data, str):
        loc_alg = ''
    else:
        # [label, latex, e, f, c, gal]
        loc_alg = ''
        for j in range(npr):
            if ramified_algebras_data[j] is None:
                loc_alg += '<tr><td>%s<td colspan="7">Data not computed' % str(
                    ram_primes[j]).rstrip('L')
            else:
                from lmfdb.local_fields.main import show_slope_content
                mydat = ramified_algebras_data[j]
                p = ram_primes[j]
                loc_alg += '<tr><td rowspan="%d">$%s$</td>' % (len(mydat),
                                                               str(p))
                mm = mydat[0]
                myurl = url_for('local_fields.by_label', label=mm[0])
                lab = mm[0]
                if mm[3] * mm[2] == 1:
                    lab = r'$\Q_{%s}$' % str(p)
                loc_alg += '<td><a href="%s">%s</a><td>$%s$<td>$%d$<td>$%d$<td>$%d$<td>%s<td>$%s$' % (
                    myurl, lab, mm[1], mm[2], mm[3], mm[4], mm[5],
                    show_slope_content(mm[8], mm[6], mm[7]))
                for mm in mydat[1:]:
                    lab = mm[0]
                    myurl = url_for('local_fields.by_label', label=lab)
                    if mm[3] * mm[2] == 1:
                        lab = r'$\Q_{%s}$' % str(p)
                    loc_alg += '<tr><td><a href="%s">%s</a><td>$%s$<td>$%d$<td>$%d$<td>$%d$<td>%s<td>$%s$' % (
                        myurl, lab, mm[1], mm[2], mm[3], mm[4], mm[5],
                        show_slope_content(mm[8], mm[6], mm[7]))
        loc_alg += '</tbody></table>'

    ram_primes = str(ram_primes)[1:-1]
    # Get rid of python L for big numbers
    ram_primes = ram_primes.replace('L', '')
    if not ram_primes:
        ram_primes = r'\textrm{None}'
    data['phrase'] = group_phrase(n, t)
    zk = nf.zk()
    Ra = PolynomialRing(QQ, 'a')
    zk = [latex(Ra(x)) for x in zk]
    zk = ['$%s$' % x for x in zk]
    zk = ', '.join(zk)
    grh_label = '<small>(<a title="assuming GRH" knowl="nf.assuming_grh">assuming GRH</a>)</small>' if nf.used_grh(
    ) else ''
    # Short version for properties
    grh_lab = nf.short_grh_string()
    if 'computed' in str(data['class_number']):
        grh_lab = ''
        grh_label = ''
    pretty_label = field_pretty(label)
    if label != pretty_label:
        pretty_label = "%s: %s" % (label, pretty_label)

    info.update(data)
    rootofunity = '%s (order $%d$)' % (nf.root_of_1_gen(),
                                       nf.root_of_1_order())

    info.update({
        'label': pretty_label,
        'label_raw': label,
        'polynomial': web_latex(nf.poly()),
        'ram_primes': ram_primes,
        'integral_basis': zk,
        'regulator': web_latex(nf.regulator()),
        'unit_rank': nf.unit_rank(),
        'root_of_unity': rootofunity,
        'fund_units': nf.units_safe(),
        'cnf': nf.cnf(),
        'grh_label': grh_label,
        'loc_alg': loc_alg
    })

    bread.append(('%s' % nf_label_pretty(info['label_raw']), ' '))
    info['downloads_visible'] = True
    info['downloads'] = [('worksheet', '/')]
    info['friends'] = []
    if nf.can_class_number():
        # hide ones that take a lond time to compute on the fly
        # note that the first degree 4 number field missed the zero of the zeta function
        if abs(D**n) < 50000000:
            info['friends'].append(('L-function', "/L/NumberField/%s" % label))
    info['friends'].append(('Galois group', "/GaloisGroup/%dT%d" % (n, t)))
    if 'dirichlet_group' in info:
        info['friends'].append(('Dirichlet character group',
                                url_for("characters.dirichlet_group_table",
                                        modulus=int(conductor),
                                        char_number_list=','.join(
                                            str(a) for a in dirichlet_chars),
                                        poly=info['polynomial'])))
    resinfo = []
    galois_closure = nf.galois_closure()
    if galois_closure[0] > 0:
        if galois_closure[1]:
            resinfo.append(('gc', galois_closure[1]))
            if galois_closure[2]:
                info['friends'].append(('Galois closure',
                                        url_for(".by_label",
                                                label=galois_closure[2][0])))
        else:
            resinfo.append(('gc', [dnc]))

    sextic_twins = nf.sextic_twin()
    if sextic_twins[0] > 0:
        if sextic_twins[1]:
            resinfo.append(('sex', r' $\times$ '.join(sextic_twins[1])))
        else:
            resinfo.append(('sex', dnc))

    siblings = nf.siblings()
    # [degsib list, label list]
    # first is list of [deg, num expected, list of knowls]
    if siblings[0]:
        for sibdeg in siblings[0]:
            if not sibdeg[2]:
                sibdeg[2] = dnc
            else:
                nsibs = len(sibdeg[2])
                sibdeg[2] = ', '.join(sibdeg[2])
                if nsibs < sibdeg[1]:
                    sibdeg[2] += ', some ' + dnc

        resinfo.append(('sib', siblings[0]))
        for lab in siblings[1]:
            if lab:
                labparts = lab.split('.')
                info['friends'].append(("Degree %s sibling" % labparts[0],
                                        url_for(".by_label", label=lab)))

    arith_equiv = nf.arith_equiv()
    if arith_equiv[0] > 0:
        if arith_equiv[1]:
            resinfo.append(
                ('ae', ', '.join(arith_equiv[1]), len(arith_equiv[1])))
            for aelab in arith_equiv[2]:
                info['friends'].append(('Arithmetically equivalent sibling',
                                        url_for(".by_label", label=aelab)))
        else:
            resinfo.append(('ae', dnc, len(arith_equiv[1])))

    info['resinfo'] = resinfo
    learnmore = learnmore_list()
    title = "Number field %s" % info['label']

    if npr == 1:
        primes = 'prime'
    else:
        primes = 'primes'
    if len(ram_primes) > 30:
        ram_primes = 'see page'
    else:
        ram_primes = '$%s$' % ram_primes

    properties = [('Label', nf_label_pretty(label)),
                  ('Degree', prop_int_pretty(data['degree'])),
                  ('Signature', '$%s$' % data['signature']),
                  ('Discriminant', prop_int_pretty(D)),
                  ('Root discriminant', '%s' % data['rd']),
                  ('Ramified ' + primes + '', ram_primes),
                  ('Class number', '%s %s' % (data['class_number'], grh_lab)),
                  ('Class group',
                   '%s %s' % (data['class_group_invs'], grh_lab)),
                  ('Galois group', group_pretty_and_nTj(data['degree'], t))]
    downloads = [('Stored data to gp',
                  url_for('.nf_download', nf=label, download_type='data'))]
    for lang in [["Magma", "magma"], ["SageMath", "sage"], ["Pari/GP", "gp"]]:
        downloads.append(('Download {} code'.format(lang[0]),
                          url_for(".nf_download",
                                  nf=label,
                                  download_type=lang[1])))
    from lmfdb.artin_representations.math_classes import NumberFieldGaloisGroup
    from lmfdb.artin_representations.math_classes import artin_label_pretty
    try:
        info["tim_number_field"] = NumberFieldGaloisGroup(nf._data['coeffs'])
        arts = [
            z.label()
            for z in info["tim_number_field"].artin_representations()
        ]
        #print arts
        for ar in arts:
            info['friends'].append((
                'Artin representation ' + artin_label_pretty(ar),
                url_for(
                    "artin_representations.render_artin_representation_webpage",
                    label=ar)))
        v = nf.factor_perm_repn(info["tim_number_field"])

        def dopow(m):
            if m == 0:
                return ''
            if m == 1:
                return '*'
            return '*<sup>%d</sup>' % m

        info["mydecomp"] = [dopow(x) for x in v]
    except AttributeError:
        pass
    return render_template("nf-show-field.html",
                           properties=properties,
                           credit=NF_credit,
                           title=title,
                           bread=bread,
                           code=nf.code,
                           friends=info.pop('friends'),
                           downloads=downloads,
                           learnmore=learnmore,
                           info=info,
                           KNOWL_ID="nf.%s" % label)
sys.path.append(LMFDB_FOLDER)

print "Importing sage in base"
import lmfdb.base as base
from lmfdb.artin_representations.math_classes import NumberFieldGaloisGroup as NF
print "Sage loaded"

print "getting connection"
base._init(37010, "")
print "I have it"

base.getDBConnection()

# Doing an iteration on degrees, so it is easier to stop the script and restart it again
for degree in range(1,100):
    total = NF.collection().find({"TransitiveDegree":degree, "label": {"$exists": False}}).count()
    tmp = 0

    for nf_dict in NF.collection().find({"TransitiveDegree":degree, "label": {"$exists": False}}).sort("QpRts-p", -1):
        tmp += 1
        print tmp, " out of ", total, " at degree ", degree, " (with QpRts-p ", nf_dict["QpRts-p"], ")"
        from copy import deepcopy
        nf_dict2 = deepcopy(nf_dict)
        nf = NF(data=nf_dict)
        #if True:
        if int(nf.polynomial()[0]) != -45 and len(nf.polynomial()) != 9:
            # This is needed to avoid a bug that appears sometimes with pari(x^8-45).polredabs()
            # It looks like this bug was fixed upstream in an upcoming release of pari
            if nf.label():
                print nf.polynomial(), nf.polredabs(), nf.label()
                nf_dict2["label"] = nf.label()
import lmfdb.base as base
from lmfdb.artin_representations.math_classes import NumberFieldGaloisGroup as NF

print("Sage loaded")

print("getting connection")
base._init(37010, "")
print("I have it")

base.getDBConnection()

# Doing an iteration on degrees, so it is easier to stop the script and restart it again
for degree in range(1, 100):
    total = NF.collection().find({
        "TransitiveDegree": degree,
        "label": {
            "$exists": False
        }
    }).count()
    tmp = 0

    for nf_dict in NF.collection().find({
            "TransitiveDegree": degree,
            "label": {
                "$exists": False
            }
    }).sort("QpRts-p", -1):
        tmp += 1
        print(tmp, " out of ", total, " at degree ", degree, " (with QpRts-p ",
              nf_dict["QpRts-p"], ")")
        from copy import deepcopy
        nf_dict2 = deepcopy(nf_dict)