Maximal subgroups of ${\rm PSL}(2,8)$
14895
Reference for the subgroup structure of $\rm{PSL}_2(q)$
133298
Assume $|G|=40$. Show that the subgroup of order $8$ is normal and unique.
143314
Sylow subgroup of $S_{p^2}$
152825
what are all the open subgroups of $(\mathbb{R},+)$
12502
The center of a non-Abelian group of order 8
128305
$PGL(n, F)=PSL(n, F)$
76962
Sylow $p$-subgroups of $GL_n(\mathbb{F}_p)$
149578
Subgroups of $(\mathbb Z_n,+)$
103829
Find the subgroups of A4
21568
Maximal order of an element in a symmetric group
105322
Computing the quotient of SL(2,Z) by its commutator subgroup
98474
Show the existence of a certain subgroup of F2
54082
Group with exactly two subgroups of index 2
68955
Characterising subgroups of Prüfer $p$-groups.
133770
Subgroups of finite abelian groups.
3317
Subgroup generated by $2$ and $7$ in $(\mathbb Z,+)$
137691
What are the self-normalizing subgroups of $S_n$?