New posts in Automorphism Group

Group isomorphism $h:(\mathbb R,+)\to (\mathbb R^+,\times)$ that is not an exponential function.

Is there a way to describe all finite groups $G$ such that $\operatorname{Aut}(G) \cong S_3$?

Does there exist a finite group whose automorphism group is simple?

Determining an inner automorphism via queries

${\rm Aut}(G)$ is cyclic $\implies G$ is abelian

Order of automorphism group of cyclic group

A characteristic subgroup is a normal subgroup

Upper bounds on the size of $\operatorname{Aut}(G)$