Showing that the Binary Icosahedral Group (given by a presentation) has order $120$.
121141
Proving Finiteness of Group from Presentation
13631
Showing group with $p^2$ elements is Abelian
145214
Showing the power set is equinumerous to ${}^X2$
83061
Generating the symmetric group $S_n$
97177
Symmetry group of Tetrahedron
64518
Prove $S_4$ has only 1 subgroup of order 12
90511
Commutator subgroup of a dihedral group.
104349
Proof by induction involving symmetric groups
15210
Group of order 6 proof
81864
Finite group of order $mn$ with $\gcd(m,n) = 1$ .
28934
Presentation of SL$(n,\mathbb{Z}_p)$
129789
Find all Quotient (or Factor) Groups of $D_4$ (Dihedral Group of order $8$)
47824
Calculation of subgroups of $(Z_{12}, +)$
11665
Show that $D_{12}$ is isomorphic to $D_6\times C_2$
72048
Finding Sylow 2-subgroups of the dihedral group $D_n$
122959
How is number of conjugacy class related to the order of a group?
29003
Is the dihedral group $D_n$ nilpotent? solvable?