PermutationList

PermutationList[perm] returns a permutation list representation of permutation perm.

PermutationList[perm, len] returns a permutation list of length len.

Examples

Convert a permutation to list form:

PermutationList[Cycles[{{1, 3, 2}}]]
(* {3, 1, 2} *)

Specify the length:

PermutationList[Cycles[{{1, 3}}], 5]
(* {3, 2, 1, 4, 5} *)

Please visit the official Wolfram Language Reference for more details.