Derived subgroup of the Dihedral group
112677
understanding the commutator of dihedral group
105322
Computing the quotient of SL(2,Z) by its commutator subgroup
29736
Sylow Subgroups of a Dihedral Group
146278
Automorphism group of direct product of groups
118894
Cyclic subgroup of dihedral group
147298
How to find all subgroups of a direct product?
149578
Subgroups of $(\mathbb Z_n,+)$
128652
Subgroups of $\mathbb Z \times(\mathbb Z/n\mathbb Z)$
6134
Some Subgroup of Dihedral Group is Normal
27507
Subgroups of Symmetric groups isomorphic to dihedral group
71262
Subgroups of order $9$ isomorphic to $C_3 \times C_3$ in $S_6$
2064
Finite subgroups of orthogonal transformations in $\mathbb{R}^3$
41695
Conjugate class in the dihedral group
27780
Subgroup which is generated by odd elements
72048
Finding Sylow 2-subgroups of the dihedral group $D_n$
157145
Subgroup of $S_8$ isomorphic to $G$
120155
How to show that this group presentation is isomorphic to dihedral group?