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Dear GAP-forum,

Franz Gaehler writes:

=20

> I suspect that there is a bug in routine FpGroup when applied to=20

> a permutation group. In the manual FpGroup is mentioned only for

> AgGroups, but since it occurs also in the operations record of

> a permutation group I thought it would be safe to use it that case,=20

> too. =20

No, it isn't, and that is why such a function for permutation groups

is not in the manual. The record component you mention is there for

other reasons.

I am running GAP 3.4 at patch level 3, and I think I have applied all

bugfixes, in particular bugfix04. Perhaps I should try the newly=20

announced PresentationViaCosetTable!

Indeed you should, although the function is new, we hope it is

correct, at least it produces a correct answer in your example.

In a later version we hope to have an FpGroup function that embraces

more kinds of groups.

Kind regards Joachim Neubueser and Volkmar Felsch

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