Permuted( list, perm )
Permuted returns a new list new that contains the elements of the
list list permuted according to the permutation perm. That is
new[i^perm] = list[i].
gap> Permuted( [ 5, 4, 6, 1, 7, 5 ], (1,3,5,6,4) ); [ 1, 4, 5, 5, 6, 7 ]
Sortex (see Sortex) allows you to compute the permutation that must
be applied to a list to get the sorted list.
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