RandomPermutation

RandomPermutation[n] gives a pseudorandom permutation of length n.

RandomPermutation[gr] gives a pseudorandom permutation in the permutation group gr.

RandomPermutation[n, k] gives a list of k pseudorandom permutations.

Examples

Random permutation:

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

Multiple permutations:

RandomPermutation[4, 3]

Please visit the official Wolfram Language Reference for more details.