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Add IsQuasisimpleGroup, IsQuasisimpleCharacterTable #4653

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merged 4 commits into from
Sep 18, 2021

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ThomasBreuer
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and fixed a bug due to a wrong implication (which apparently nobody has noticed up to now)

and fixed a bug due to a wrong implication (which apparently nobody has noticed up to now)
@ThomasBreuer ThomasBreuer added kind: enhancement Label for issues suggesting enhancements; and for pull requests implementing enhancements kind: bug: wrong result Issues describing bugs that result in mathematically or otherwise wrong results, and PRs fixing them topic: library release notes: use title For PRs: the title of this PR is suitable for direct use in the release notes labels Sep 12, 2021
(This commit covers just the obvious fixes, not the difference mentioned in issue gap-system#4656.)
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There is a still a diff in an example (very annoying, maybe we should turn off the output of that example):

gap> ########> Diff in /home/runner/work/gap/gap/tst/testmanuals/ref-chapter03\
9.tst/home/runner/work/gap/gap/doc/ref/../../lib/grp.gd:3304:615
# Input is:
PCentralSeries(g,2);
# Expected output:
[ Sym( [ 1 .. 4 ] ), Group([ (1,2,3), (2,3,4) ]) ]
# But found:
[ Sym( [ 1 .. 4 ] ), Group([ (1,2,3), (1,3,4) ]) ]
########

lib/grp.gd Show resolved Hide resolved
One of them (an example for `NormalSubgroups`) was failing in the CI tests,
the other (an example for `CharacteristicSubgroups`) was not (yet) failing
but it was clearly intended to be viewed together with the first one.
@fingolfin fingolfin merged commit b1d1906 into gap-system:master Sep 18, 2021
@ThomasBreuer ThomasBreuer deleted the TB_IsQuasiSimple branch September 18, 2021 20:38
@fingolfin fingolfin changed the title added IsQuasisimpleGroup, IsQuasisimpleCharacterTable Add IsQuasisimpleGroup, IsQuasisimpleCharacterTable Aug 17, 2022
@fingolfin fingolfin removed the kind: bug: wrong result Issues describing bugs that result in mathematically or otherwise wrong results, and PRs fixing them label Aug 17, 2022
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2 participants