#17007: PermutationGroup.minimal_generating_set (from GAP)
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Reporter: | Owner:
ncohen | Status: needs_work
Type: | Milestone: sage-6.4
enhancement | Resolution:
Priority: major | Merged in:
Component: group | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: | 7b2f2817ac482a477d436ad98728a09e6faca81a
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
u/ncohen/17007 |
Dependencies: |
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Comment (by ncohen):
Well perhaps, but is miserably fails when the group is not defined over
integers.
{{{
sage: g=PermutationGroup(["(1,2,3)(4,5,6)","(1,2,3,4,5,6)"])
sage:
sage.groups.perm_gps.permgroup.from_gap_list(g,str(g._gap_().MinimalGeneratingSet()))
[(2,5)(3,6), (1,5,3,4,2,6)]
sage: g=PermutationGroup([('a','b','c')])
sage:
sage.groups.perm_gps.permgroup.from_gap_list(g,str(g._gap_().MinimalGeneratingSet()))
...
ValueError: Invalid permutation vector: (1,2,3)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/17007#comment:4>
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