Inner automorphism (source code)

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

= Inner automorphism group
{synonym}

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