21.2 PermGroupOps.MovedPoints

PermGroupOps.MovedPoints( G )

PermGroupOps.MovedPoints returns the set of moved points of the permutation group G, i.e., points which are moved by at least one element of G (also see PermGroupOps.NrMovedPoints).

    gap> s4 := Group( (1,3,5,7), (1,3) );;
    gap> PermGroupOps.MovedPoints( s4 );
    [ 1, 3, 5, 7 ]
    gap> PermGroupOps.MovedPoints( Group( () ) );
    [  ] 

Previous Up Top Next
Index