Dear Forum,
Nilo de Roock wrote:
The command
StructureDescription(DirectProduct(CyclicGroup(5),SymmetricGroup(4)));
generated the following response:
gap> StructureDescription(DirectProduct(CyclicGroup(5),SymmetricGroup(4)));
#I default `IsGeneratorsOfMagmaWithInverses' method returns `true' for
[ Tuple( [ f1, () ] ) ]
This is due to a problem in a method in the package CRISP.
In the meantime the author of this package has fixed this bug.
Remedies are:
- upgrade to CRISP 1.3, or
- use
StructureDescription(DirectProduct(CyclicGroup(IsPermGroup,5),
SymmetricGroup(4))); or
StructureDescription(DirectProduct(CyclicGroup(5),
SymmetricGroup(IsPcGroup,4)));
instead or
- start GAP without autoloading of packages.
Hope this helps,
Stefan Kohl
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Stefan Kohl
Institut für Geometrie und Topologie
Pfaffenwaldring 57
Universität Stuttgart
70550 Stuttgart / Germany
E-mail: [EMAIL PROTECTED]
Web: http://www.cip.mathematik.uni-stuttgart.de/~kohlsn/
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