how many isomorphism are there from $Z_{12}$ to $Z_4\oplus Z_3$??
133612
How many isomorphisms are there from $\Bbb Z_{12}$ to $\Bbb Z_{4} \oplus \Bbb Z_{3}$?
51695
Finding all homomorphisms between $\mathbb{Z}/m\mathbb{Z}$ and $\mathbb{Z}/n\mathbb{Z}$
147667
Polynomial ring isomorphisms
112165
Classification of groups of order 12
83919
How to show $D_3\oplus D_4$ is not isomorphic to $D_{24}$?
45179
When does the isomorphism $G\simeq \ker(\phi)\times \operatorname{im}(\phi)$? hold?
149030
Nonisomorphic groups of order 12.
155669
$\mathrm{Aut}(D_4)$ is isomorphic to $D_4$
119648
For which $n$ and $k$ are there nontrivial homomorphisms from $S_n$ to $\mathbb{Z}/k\mathbb{Z}$?
28181
Sylow subgroups of $S_3$ and $S_4$
93169
Show that $(\mathbb Z[x],+)$ and $(\mathbb Q_{>0},\cdot)$ are isomorphic groups
125980
Isomorphic Lie Algebra $so(4)$ and $su(2) \times su(2)$
8694
$A_4$ is not isomorphic to $D_6$
77969
Question about proof for $S_4 \cong V_4 \rtimes S_3$
17978
Isomorphism classes of $\mathbb{Z}[i]$ modules.
97258
Give $\ker(\phi)$ for $\phi: \mathbb{Z} \to \mathbb{Z_7}$ such that $\phi(1)=4$
53331
$\mathbb{Q}(\sqrt2, \sqrt3)$ is not isomorphic to $\mathbb{Q}(\sqrt[4]2)$