The quotient of a free group, of rank $n$, and its commutator subgroup is isomorphic to $\mathbb{Z}^n$
35913
Abelianization of free group is the free abelian group
11003
Proving that $G/N$ is an abelian group
123610
How to show that the commutator subgroup is a normal subgroup
117744
$p$-Sylow in quotient groups
119935
Commutator subgroup of a simple group - Fraleigh p. 152 15.19(h)
105322
Computing the quotient of SL(2,Z) by its commutator subgroup
129239
Additive quotient group $\mathbb{Q}/\mathbb{Z}$ is isomorphic to the multiplicative group of roots of unity
141843
n-dimensional vector space isomorphic to the n-th product of a field as abelian groups
2304
What is the quotient of a cyclic group of order $n$ by a cyclic subgroup of order $m$?
30236
isomorphic groups related in direct product.
122970
A question on $p$-groups, and order of its commutator subgroup.
105363
$\mathbb Z^n/\langle (a,...,a) \rangle \cong \mathbb Z^{n-1} \oplus \mathbb Z/\langle a \rangle$
38687
Isomorphism of a product $C_n \times C_m$ of cyclic groups with the cyclic group $C_{mn}$
131516
Subgroup generated by n-th powers of elements
135241
Show that $\mathbb{Z}/n^2\mathbb{Z}$ is not isomorphic to other group
85677
Is there a free subgroup of rank 3 in $SO_3$?
116936
Commutator subgroup and subgroup generated by square.