$\text{Gal}(L|K)$ not abelian
49768
If Gal(K,Q) is abelian then |Gal(K,Q)|=n
134840
Generators and relations for $\text{PSL}(2, \mathbb{F}_q)$
106101
Why there is much interest in the study of $\operatorname{Gal}\left(\overline{\mathbb Q}/\mathbb Q\right)$?
106123
Is there a finite abelian group $G$ such that $\textrm{Aut}(G)$ is abelian but $G$ is not cyclic?
126771
Group element not taken to its inverse by any automorphism
122012
The ideal $(x,y)$ is not a free $K[x,y]$-module
111168
Automorphisms of a finite non-abelian group
7079
ord $(b)|\max\{\text{ord}(g)|g\in G\}$ for all $b\in G\,$ a finite abelian group
4996
Proving $Gal(K/\mathbb{Q})$ is $D_4$.
123847
Cardinality of $GL_n(K)$ when $K$ is finite
29538
Does a non-abelian semigroup without identity exist?
35401
Examples of finite groups that are not a semidirect product
61084
Examples of non-isomorphic fields with isomorphic group of units and additive group structure
71035
Non abelian subgroup of a abelian group.
128711
$(\Bbb Z\oplus \Bbb Z)[X] \not\cong \Bbb Z[X]\oplus \Bbb Z[X]\,$?
67796
How to prove that the algebra $k[x, xy, xy^2, xy^3, \dotsc]$ is not finitely generated?
96380
Representation of $\text{sl}(2,\mathbb{C})$