20.5 SmallestMovedPointPerm

SmallestMovedPointPerm( perm )

SmallestMovedPointPerm returns the smallest point moved by the permutation perm, i.e., the smallest positive integer i such that i^perm < i. It will signal an error if perm is trivial (see also LargestMovedPointPerm).

    gap> SmallestMovedPointPerm( (4,7,5) );
    4 

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GAP 3.4.4
April 1997