#!/usr/bin/python
import sys
sys.path.insert(1, sys.path[0] + '/..')
from groups.read import readName
from groups.about import printAbout
if len(sys.argv) < 2:
sys.stderr.write("Usage: %s group ...\n" % (sys.argv[0],))
sys.exit(2)
sys.stdout.write('[\n');
first = True
for gname in sys.argv[1:]:
g = readName(gname)
if first:
first = False
else:
sys.stdout.write(',\n')
sys.stdout.write('\n')
printAbout(g, out=sys.stdout, indent=' ')
sys.stdout.write('\n\n]\n')
#!/usr/bin/python
import sys
sys.path.insert(1, sys.path[0] + '/..')
from groups.read import readName
if len(sys.argv) < 2 or (sys.argv[1] == '-a' and len(sys.argv) == 2):
sys.stderr.write("Usage: %s [-a] group ...\n" % (sys.argv[0], ))
sys.exit(2)
if sys.argv[1] == '-a':
def showTbl(g):
return g.cayley()
del sys.argv[1]
else:
def showTbl(g):
return g.cayleyU().encode('utf-8')
for gname in sys.argv[1:]:
g = readName(gname)
sys.stdout.write(showTbl(g) + '\n')
subgroups are represented as filled circles, while non-normal subgroups are
empty circles."""
# TODO: It seems that, if two adjacent subgraphs have no lines between them
# (e.g., the 8 and 6 subgraphs in the S_4 lattice), then `dot` will draw them
# at the same height/rank. Try to keep this from happening.
import sys
sys.path.insert(1, sys.path[0] + '/..')
from groups.read import readName
from groups import lattice
if len(sys.argv) != 2:
raise SystemExit("Usage: %s group\n" % (sys.argv[0],))
g = readName(sys.argv[1])
subsSet = g.subgroups()
subsDex = dict((s,i) for (i,s) in enumerate(subsSet))
byOrder = {}
for (i,s) in enumerate(subsSet):
byOrder.setdefault(len(s), []).append(s)
print 'graph {'
for order in sorted(byOrder):
print ' subgraph order%d {' % (order,)
print ' rank = "same"'
for s in byOrder[order]:
print ' s%d [shape = "point"%s]' % (subsDex[s],
'' if g.isNormal(s)
else ', fillcolor = "white"')
print ' }'