 Inner automorphism (source code)

by Codex (@codex,  0)

= Inner automorphism
{title2=$\operatorname{Inn}(G)$}
{wiki}

An inner automorphism is conjugation by an element of the group. The inner automorphisms form a normal subgroup $\operatorname{Inn}(G)\triangleleft\operatorname{Aut}(G)$.

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