Expressing the automorphism group of a cyclic group as a direct sum of cyclic groups
84
For what $n$ is $U_n$ cyclic?
48585
Proving that if $G/Z(G)$ is cyclic, then $G$ is abelian
8623
Finite subgroups of the multiplicative group of a field are cyclic
123860
When are two direct products of groups isomorphic?
98155
Free products of cyclic groups
101079
Inner automorphisms form a normal subgroup of $\operatorname{Aut}(G)$
91777
Product of Non-Disjoint Cycles
25744
Multiplication in Permutation Groups Written in Cyclic Notation
130745
Action of finite group of automorphisms on Spec A
122698
Construction of multiplicative group of complex numbers
61513
Prove that all cyclic groups of the same order are isomorphic
151699
Group of inner automorphisms of a group $G$
70904
Subgroups of $U(n)$ isomorphic to a direct sum of cyclic groups
90511
Commutator subgroup of a dihedral group.
43759
Prove that the set $\mathrm{Aut}(G)$ of all automorphisms of the group $G$ with the operation of taking the composition is a group
1558
Number of homomorphisms between two cyclic groups.
84823
When is the group of units in $\mathbb{Z}_n$ cyclic?