Which group is meant by $\mathbb Z/2 \times \mathbb Z/2.$
50130
$\operatorname{Aut}(V)$ is isomorphic to $S_3$
149783
$\mathbb Z\times\mathbb Z$ is principal but is not a PID
61103
Prove that $\mathbb{|Q| = |Q\times Q|}$
107687
How to prove that $U_{2^n}$ is isomorphic as group to $\mathbb Z_2 \times \mathbb Z_{2^{n-2}}$ for $n \ge 3$?
98765
Showing that $G/(H\cap K)\cong (G/H)\times (G/K)$
108775
Identify the ring $\mathbb {Z}[i]/(2 + i) $
71245
$2 \times 2 $ Orthogonal Group
134872
Generators of $\text{GL}_{2}(\mathbb{Z})$ group, good reference book?
133915
In which case $M_1 \times N \cong M_2 \times N \Rightarrow M_1 \cong M_2$ is true?
150854
Identifying a quotient group (NBHM-$2014$)
137201
Classifying $\mathbb{Z} \times \mathbb{Z} \times \mathbb{Z} / \langle(3,3,3)\rangle$
150166
What is $P([a_1,b_1]\times [a_2,b_2]\times...\times[a_k,b_k])$
53327
$C_2 \times C_2$ and $C_4$
114394
Determine whether $\mathbb{Z}\times \mathbb{Z}$ and $\mathbb{Z}\times \mathbb{Z}\times \mathbb{Z}$ are isomorphic groups or not.
116707
Prove or disprove: $(\mathbb{Z}^*, \cdot)$ and/or $(\mathbb{Z}^*, \div)$ is a group.
137949
If the quotient group $G/N$ be isomorphic to $G_2$, is $G$ isomorphic to $G_1\times G_2$ where $N$ is isomorphic to $G_1$?
86807
The units of $\mathbb Z[\sqrt{2}]$