Criterion for Galois group isomorphic to $\mathbb{Z}_4$
119878
"Standard" ways of telling if an irreducible quartic polynomial has Galois group C_4?
36137
Prove $GL_2(\mathbb{Z}/2\mathbb{Z})$ is isomorphic to $S_3$
152603
Group isomorphic to its automorphism group
5906
All group homomorphism from $ \mathbb{Z} _m $ to $\mathbb{Z}_n $
62277
Cayley tables for two non-isomorphic groups of order 4.
115427
Galois group of $\prod_{i=1}^{p-1} (X^2-i)$
90437
Let $G = \langle a\rangle$ a cyclic group of order m. Prove that G is isomorphic with $Z_m$.
13717
Homomorphisms from $S_4$ to $\mathbb Z_2$
29453
An epimorphism from $S_{4}$ to $S_{3}$ having the kernel isomorphic to Klein four-group
87766
Using Cayley's Theorem to find an isomorphic subgroup.
8694
$A_4$ is not isomorphic to $D_6$
9129
Show that $\mathbb{Q}(\zeta_n)$ is Galois over $\mathbb{Q}$ and $Gal(\mathbb{Q}(\zeta_n)/\mathbb{Q}))\cong \mathbb{Z_n}^*$
42810
Is $(\mathbb{Q},+)$ isomorphic to $(\mathbb{Q}^n,+)$?
33455
Question on group homomorphisms involving the standard Z-basis
45627
Find a sub-ring of M(2, $\mathbb{Q}$) which is isomorphic to $\mathbb{Q}$
99999
A question on identifying normal subgroups of $S_4$
129239
Additive quotient group $\mathbb{Q}/\mathbb{Z}$ is isomorphic to the multiplicative group of roots of unity