A question on left cosets of distinct subgroups and index
64582
Group covered by finitely many cosets
122271
A subset of a transitive set is transitive
41231
Subgroups of (Z,+) of order n
13453
Bijection map from a set of subgroup to another set of subgroup under some condition.
33387
Proof that $n\Bbb Z \leq \Bbb Z$ and are the only subgroups of $\Bbb Z$
157412
Left cosets and right cosets
151130
When is the product of $n$ subgroups a subgroup?
57309
Show that the free group on $n$ generators is a finite index subgroup of $F_2$
77382
Left ideals of $M_n(K)$
39938
Subgroups of a cyclic group and their order.
95534
If $|G|=p^nq$, then $G$ contains a unique normal subgroup of index $q$
128834
Proving the number of even and odd permutations of a subgroup $H<S_{n}$ are equal, provided $H$ is not contained in $A_{n}$
141714
Existence of a functor $\mathsf{Sets} \to \mathsf{Groups}$ that admits a left adjoint
144582
Index of a subgroup in $SL_2(\mathbb{Z})$
106660
Every subgroup of the integers has finite index
100974
Showing H is a normal subgroup by calculating left and right coset
62687
Proving Cardinality of Cosets in Abstract Algebra