#13569: group multiplication seems to depend on order sometimes
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Reporter: kcrisman | Owner: joyner
Type: defect | Status: new
Priority: major | Milestone: sage-6.2
Component: group theory | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by mmezzarobba):
{{{
sage: G = SymmetricGroup(3)
sage: H = AlternatingGroup(3)
sage: for g in G:
for h in H:
try:
print h, "*", g, "=", h*g
except TypeError:
print "???"
....:
() * () = ()
(1,2,3) * () = (1,2,3)
(1,3,2) * () = (1,3,2)
() * (2,3) = ???
(1,2,3) * (2,3) = ???
(1,3,2) * (2,3) = ???
() * (1,2) = ???
(1,2,3) * (1,2) = ???
(1,3,2) * (1,2) = ???
() * (1,2,3) = (1,2,3)
(1,2,3) * (1,2,3) = (1,3,2)
(1,3,2) * (1,2,3) = ()
() * (1,3,2) = (1,3,2)
(1,2,3) * (1,3,2) = ()
(1,3,2) * (1,3,2) = (1,2,3)
() * (1,3) = ???
(1,2,3) * (1,3) = ???
(1,3,2) * (1,3) = ???
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/13569#comment:3>
Sage <http://www.sagemath.org>
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