Q: Commutator subgroup of free group of infinite rank
35913
Abelianization of free group is the free abelian group
95867
Subgroup of $C^*$ (nonzero complex) with finite index.
9232
Group with proper subgroups infinite cyclic
10602
Monotone Union of subgroups being subgroup
66134
Sufficiently many idempotents and commutativity
51352
Subgroups of a finite abelian group
136167
Prove that structure $(Q/{0}; =;*)$ has infinite number of automorphisms
42582
Infinite group with only two conjugacy classes
89508
Existence of normal subgroups for a group of order $36$
70298
Are quotients of chain groups $C_n(X)/C_n(A)$ still free?
109801
multiplicative group of infinite fields
76962
Sylow $p$-subgroups of $GL_n(\mathbb{F}_p)$
30794
Commutator Group of $GL_2(R)$ is $SL_2(R)$
128428
Why is the set of commutators not a subgroup?
3456
Commutator of two normal subgroups with trivial intersections
131516
Subgroup generated by n-th powers of elements
7973
Groups of order $pq$ have a proper normal subgroup