arXiv · math/0605185
We give an accessible and modern description of the automorphisms of a finite abelian group $G$. Included is an explicit formula for the cardinality of $Aut(G)$.
Christopher J. Hillar, Darren Rhea. 2006-05-08. Automorphisms of finite Abelian groups. https://arxiv.org/abs/math/0605185
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