How can one find all the matrices with integer entries of size $n \times n$ such that $A^{m}=I$ where $m$ is fixed integer and the matrix does not have fixed point in $\mathbb{Z}^n$ (except zero of course). Is there any algorithm to find all these matrices?
2026-04-02 20:49:37.1775162977
Integer matrices whose $m$-th power are identity matrix
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