Prove $D_{12}$ and $S_4$ are not isomorphic groups in 3 different ways
51861
$S_4$ is not isomorphic to $D_{12}$
113413
How do I show that two groups are not isomorphic?
25050
To prove that $(F,+)$ and $(F-\{0\},\cdot)$ are not isomorphic as groups.
59902
Example of $2$ non-isomorphic groups that have the same quotients
3439
Other proofs that subgroups of $A_5$ have order at most 12
78048
Group of order 24 with no element of order 6 is isomorphic to $S_4$
36137
Prove $GL_2(\mathbb{Z}/2\mathbb{Z})$ is isomorphic to $S_3$
63798
How can you show there are only 2 nonabelian groups of order 8?
38153
Looking for a simple proof that groups of order $2p$ are up to isomorphism $\mathbb{Z}_{2p}$ and $D_{p}$ .
128096
Let V denote the Klein 4-group. Show that $\text{Aut} (V)$ is isomorphic to $S_3$
99538
Non-trivial groups pairwise non-isomorphic with isomorphic direct products
37928
Isomorphism between $D_{2n}/Z(D_{2n})$ and $D_n$
53331
$\mathbb{Q}(\sqrt2, \sqrt3)$ is not isomorphic to $\mathbb{Q}(\sqrt[4]2)$
107163
Proof that $S_3$ isomorphic to $D_3$
99999
A question on identifying normal subgroups of $S_4$
94747
Show that the rings $2\mathbb{Z}$ and $3\mathbb{Z}$ are not isomorphic.
155669
$\mathrm{Aut}(D_4)$ is isomorphic to $D_4$