Automorphism of a group
12455
$|G|>2$ implies $G$ has non trivial automorphism
46116
Proof of the First Isomorphism Theorem for Groups
126098
Isomorphism of factor groups
104460
When a group is cyclic
36965
Automorphism of rational numbers
116125
A group $G$ with $G'$ abelian and every abelian normal subgroup finite
115014
Classification of automorphisms of projective space
90511
Commutator subgroup of a dihedral group.
126513
Automorphism of the group of rational numbers under addition
43783
Abelian group (Commutative group)
10350
Automorphisms of the complex plane
137816
Automorphism on integers
39938
Subgroups of a cyclic group and their order.
23579
If $G$ is isomorphic to $H$, then ${\rm Aut}(G)$ is isomorphic to ${\rm Aut}(H)$
83710
Order of a homomorphism of groups
15526
Question on groups of order $pq$
151699
Group of inner automorphisms of a group $G$