#4531: Sage 3.2.rc1: automorphism_group() doctest failure on 32 bit in
sage/combinat/species/library.py
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Reporter: mabshoff | Owner: mhansen
Type: defect | Status: new
Priority: blocker | Milestone: sage-3.2
Component: combinatorics | Resolution:
Keywords: |
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Comment (by GeorgSWeber):
That seems to be a problem of how Sage displays/prints permutation groups.
Internally, everything seems fine. I just produced such a group and I get:
{{{
sage: B = species.BinaryTreeSpecies()
sage: a = B.structures([1,2,3,4,5]).random_element(); a
(1*5)*((2*3)*4)
sage: grp = a.automorphism_group()
sage: grp
Permutation Group with generators [(), ()]
sage: grp.list()
[()]
}}}
The latter two lines are pretty inconsistent.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4531#comment:1>
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