Cardinality of the Dickson permutation's group of polynomials on $\mathbb{Z}_n$
10 Mar 2019
·
Peña L.,
Ortíz M.·
Let $G_n$ be the group of permutations on $\mathbb{Z}_n$ that is induced by a
Dickson polynomial, where $n$ is a positive integer. In this work, by solving
special types of systems of linear congruences, we obtain $G_n$. In addition,
we give an a algorithm that gets $|G_n|$.