Isomorphism between $D_{2n}/Z(D_{2n})$ and $D_n$
94479
What is the center of $D_{2n}/Z(D_{2n})$
45314
Conjugacy classes of D2n?
120183
Prove that $S_3\times\mathbb{Z}_2$ is isomorphic to $D_6$
35948
How to prove $D^n/S^{n-1}\cong S^n$?
29003
Is the dihedral group $D_n$ nilpotent? solvable?
121449
An isomorphism from $GL_{2}(\mathbb{F_{2}})$ to $S_{3}$
30752
Proof of $(\mathbb{Z}/m\mathbb{Z}) \otimes_\mathbb{Z} (\mathbb{Z} / n \mathbb{Z}) \cong \mathbb{Z}/ \gcd(m,n)\mathbb{Z}$
141984
Find the number of homomorphisms between $\mathbb{Z}_m$ and $\mathbb{Z}_n$
121880
How to show that $|D_{2n}| = 2n$ via the presentation?
145000
Fundamental group of GL(n,C) is isomorphic to Z. How to learn to prove facts like this?
40490
Birational isomorphism $\mathbb{P}^n\times \mathbb{P}^m\to \mathbb{P}^{n+m}$
115663
Proving an isomorphism using the isomorphism theorems
134686
$D_3\oplus D_4$ not isomorphic to $D_{24}$
117131
Canonical Isomorphism Between $\mathbf{V}$ and $(\mathbf{V}^*)^*$
82474
Isometries of $\mathbb{R}^n$
93169
Show that $(\mathbb Z[x],+)$ and $(\mathbb Q_{>0},\cdot)$ are isomorphic groups
150204
Isomorphisms between the groups $U(10), U(5)$ and $\mathbb{Z}/4\mathbb{Z}$