20.8 ListPerm

ListPerm( perm )

ListPerm returns a list list that contains the images of the positive integers under the permutation perm. That means that list[i] = i^perm, where i lies between 1 and the largest point moved by perm (see LargestMovedPointPerm).

    gap> ListPerm( (1,2,3,4) );
    [ 2, 3, 4, 1 ]
    gap> ListPerm( () );
    [  ] 

PermList (see PermList) performs the inverse operation.

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