Conjugacy Classes of $D_{12}$
45314
Conjugacy classes of D2n?
42582
Infinite group with only two conjugacy classes
90511
Commutator subgroup of a dihedral group.
4996
Proving $Gal(K/\mathbb{Q})$ is $D_4$.
130826
Computing class group of $\mathbb Q(\sqrt{6})$
107163
Proof that $S_3$ isomorphic to $D_3$
133286
Conjugates of radicals
98352
If $k|n$, then $D_{2n}/\langle{r^k}\rangle\cong D_{2k}$
124428
Elements of the dicyclic group of order 12
28210
A finite group with exactly $2$ conjugacy classes isomorphic to $\mathbb{Z}_2$
94296
Classifying the factor group $(\mathbb{Z} \times \mathbb{Z})/\langle (2, 2) \rangle$
41688
An elementary problem in Group Theory: the unique noncyclic group of order 4
39096
Primitive elements of GF(8)
32278
Adjoining 1/2 to $\Bbb{Z}/12\Bbb{Z}$
111183
Nonsingular projective variety of degree $d$
39425
Surprising but simple group theory result on conjugacy classes
7938
Number of Homomorphisms from $\Bbb{Z}_m$ to $\Bbb{Z}_n$