When is the group of units in $\mathbb{Z}_n$ cyclic?
84
For what $n$ is $U_n$ cyclic?
94239
Proof that if group $G/Z(G)$ is cyclic, then $G$ is commutative
28913
How to find a generator of a cyclic group?
68201
Cyclic group of order $n$
83654
Order of an element in a finite cyclic group
86807
The units of $\mathbb Z[\sqrt{2}]$
107716
Show that $G$ is cyclic
59134
Proving idempotent elements in $\mathbb{Z}_n$
87946
Proving that the unities of a ring form a group under multiplication
53357
Cyclic Group Generators of Order $n$
145112
Show that the multiplicative group $(\mathbb{Z}/p\mathbb{Z})^*$ is cyclic
129485
A subgroup of a cyclic group is cyclic - Understanding Proof
147574
Prove of a finite cyclic group of order $n$ is isomorphic tto $(\mathbb Z_n,+)$.
158074
Cyclic group $G$ with generator $ab$.
68733
If $G/Z(G)$ is cyclic then $G$ is abelian – what is the point?
93169
Show that $(\mathbb Z[x],+)$ and $(\mathbb Q_{>0},\cdot)$ are isomorphic groups
95863
Describe the units in $\mathbb{Z}[\sqrt{-d}]$