groups and subgroups ( A4)
103829
Find the subgroups of A4
11731
Normal subgroups of $S_4$
99999
A question on identifying normal subgroups of $S_4$
89508
Existence of normal subgroups for a group of order $36$
151727
If $|G/H|=4$ then $G$ is union of three proper subgroups
14301
Union of subgroups is a subgroup if and only if one subgroup is a subset of the other
44165
the image of normal subgroups
12667
How many subgroups of order $n$ does $D_n$ have?
87766
Using Cayley's Theorem to find an isomorphic subgroup.
43750
Subgroups of finite solvable groups. Solvable?
74044
Find all subgroups of $\mathbb{Z}\times\mathbb{Z}$.
25421
Simple or not simple Groups
132856
Find the derived subgroup of $A_4$
11957
G is the product of its Sylow subgroups
153797
Is a quotient group a subgroup?
75670
Questions around the number of subgroups of a $p$-group
41688
An elementary problem in Group Theory: the unique noncyclic group of order 4