if I understand the documentation correctly, then a command like
should return the the group GL(2,2) as a permutation group (hopefully
in the natural representation, though that's not specified there).
However, the following happens (using GAP3R4P2):
Error, Record: element 'GeneralLinearGroup' must have an assigned value at
return arg.operations.GeneralLinearGroup( arg, arg, arg ) ... in
GeneralLinearGroup( Permutations, 2, 2 ) called from