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Fix Centre for pc groups giving wrong results, e.g. Size(Center(SmallGroup(2^9,261648))) gave 4 instead of 8 #5036

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merged 1 commit into from
Sep 9, 2022

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Fixes #3940 with a change provided by @beick.

@fingolfin fingolfin added kind: bug Issues describing general bugs, and PRs fixing them kind: bug: wrong result Issues describing bugs that result in mathematically or otherwise wrong results, and PRs fixing them release notes: use title For PRs: the title of this PR is suitable for direct use in the release notes backport-to-4.12 labels Sep 7, 2022
@fingolfin fingolfin requested a review from hulpke September 7, 2022 20:30
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Normally I'd not do this, but I'll merge this anyway: the code is not actually by me, but by @beick. However, I reviewed it, and it seems correct to me. So I'll just count this as approval, and merge this now.

@fingolfin fingolfin merged commit 7dec8ff into gap-system:master Sep 9, 2022
@fingolfin fingolfin deleted the mh/fix-centre-for-pc-groups branch September 9, 2022 13:53
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Backported to stable-4.12 via 7a04992

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backport-to-4.12-DONE kind: bug: wrong result Issues describing bugs that result in mathematically or otherwise wrong results, and PRs fixing them kind: bug Issues describing general bugs, and PRs fixing them release notes: use title For PRs: the title of this PR is suitable for direct use in the release notes
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Bug in Centre for PcGroups
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