Assume that G is of order 4 (not a cyclic group) find all its subgroups.
75068
subgroups of $\mathbb Z / 2 \mathbb Z \times \mathbb Z / 2 \mathbb Z$
79995
G is group of order pq, pq are primes
36887
Suppose $G$ is a group of order 4. Show either $G$ is cyclic or $x^2=e$.
76943
Existence of subgroup of order six in $A_4$
109053
Show that a finite cyclic group of order $n$ has exactly one subgroup of order $d$ dividing $n$ and these are all the subgroups it has
151025
If G is a group of order n=35, then it is cyclic
41688
An elementary problem in Group Theory: the unique noncyclic group of order 4
125498
Check whether subgroup is normal in $ S_4$
64518
Prove $S_4$ has only 1 subgroup of order 12
14890
Let $G=\langle a\rangle$ be a cyclic group of order $n$. Show that, for every divisor $d$ of $n$, there exists a subgroup of $G$ whose order is $d$.
42469
Find all groups of order $6$.
152071
Group $G$ is cyclic $\iff$ every subgroup of $G$ has the form $G^k$, where $G^k=\{g^k\mid g\in G\}$
99694
Number of subgroups of $S_4$
15396
Enumerating all subgroups of the symmetric group
103423
Normal subgroup where G has order prime
64269
Finding the minimal $n$ such that a given finite group $G$ is a subgroup of $S_n$
154398
Show that H is a subgroup of G