#13569: group multiplication seems to depend on order sometimes
----------------------------+-----------------------------------------------
Reporter: kcrisman | Owner: joyner
Type: defect | Status: new
Priority: major | Milestone: sage-5.5
Component: group theory | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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See [http://ask.sagemath.org/question/1836/order-of-elements-in-group-
multiplication this ask.sagemath.org question]. This doesn't always
happen, but usually happens pretty soon.
{{{
sage: G.random_element()*H.random_element()
(1,3,2)
sage: H.random_element()*G.random_element()
()
sage: H.random_element()*G.random_element()
(1,2,3)
sage: H.random_element()*G.random_element()
(1,2,3)
sage: H.random_element()*G.random_element()
(1,3,2)
sage: H.random_element()*G.random_element()
ERROR: An unexpected error occurred while tokenizing input
TypeError: unsupported operand parent(s) for '*': 'Alternating group of
order 3!/2 as a permutation group' and 'Symmetric group of order 3! as a
permutation group'
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13569>
Sage <http://www.sagemath.org>
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