Is there an isomorphism between A4 and D6?
8694
$A_4$ is not isomorphic to $D_6$
52556
Isomorphism of $S^1$.
116628
Example of Galois extension whose Galois group is $A_4$
90433
Isomorphisms between $(\mathbb Z_4,+)$ and $(U_5,*)$
40490
Birational isomorphism $\mathbb{P}^n\times \mathbb{P}^m\to \mathbb{P}^{n+m}$
119160
Isomorphism between complex numbers minus zero and unit circle
4996
Proving $Gal(K/\mathbb{Q})$ is $D_4$.
109596
Isomorphism from $\mathrm{Aut}(\mathbb{Z}/2\mathbb{Z}\times \mathbb{Z}/2\mathbb{Z})$ to $S_3$
83919
How to show $D_3\oplus D_4$ is not isomorphic to $D_{24}$?
134686
$D_3\oplus D_4$ not isomorphic to $D_{24}$
120183
Prove that $S_3\times\mathbb{Z}_2$ is isomorphic to $D_6$
127491
Isometric isomorphism between $R^2$ and $R$
150204
Isomorphisms between the groups $U(10), U(5)$ and $\mathbb{Z}/4\mathbb{Z}$
6171
Isomorphism between $\Bbb{Z}[\sqrt{d}]$ and a quotient of $\Bbb{Z}[X].$
51861
$S_4$ is not isomorphic to $D_{12}$
81197
Why is $SO(3)\times SO(3)$ isomorphic to $SO(4)$?
133612
How many isomorphisms are there from $\Bbb Z_{12}$ to $\Bbb Z_{4} \oplus \Bbb Z_{3}$?