Invertible elements in $Z/27Z$ form a cyclic group
73402
Showing that $(\mathbb{Z}/p^{a}\mathbb{Z})^*$ is a cyclic group
112933
Show that $Z\times Z$ is not cyclic...
104513
Order of elements in $Z_n$
3317
Subgroup generated by $2$ and $7$ in $(\mathbb Z,+)$
158074
Cyclic group $G$ with generator $ab$.
156909
$\Bbb{Z}_{26} \rtimes_{\alpha} \Bbb{Z}_{5} \cong \Bbb{Z}_{26} \times \Bbb{Z}_{5}$ as groups.
23517
Presentation $\langle x,y,z\mid xyx^{-1}y^{-2},yzy^{-1}z^{-2},zxz^{-1}x^{-2}\rangle$ of group equal to trivial group
25744
Multiplication in Permutation Groups Written in Cyclic Notation
81354
The product of all the elements of a finite abelian group
61732
Prove any group with 3 elements is isomorphic to $\mathbb{Z}_3$
119297
Finding invertible polynomials in polynomial ring $\mathbb{Z}_{n}[x]$
5089
An element of a group has the same order as its inverse
45947
Find generator of multiplicative group of $\mathbb{F}_{27}$
148550
Units in quotient ring of $\mathbb Z[X]$
107716
Show that $G$ is cyclic
94239
Proof that if group $G/Z(G)$ is cyclic, then $G$ is commutative
93169
Show that $(\mathbb Z[x],+)$ and $(\mathbb Q_{>0},\cdot)$ are isomorphic groups