Schur's Lemma and the Center of a Group
8926
A problem regarding to Schur's lemma
12502
The center of a non-Abelian group of order 8
83747
$2$ out of $3$ property of the unitary group
55493
Showing that the path-connected component of the identity matrix in a subgroup of $GL_n(\Bbb R)$ is a normal subgroup
47179
Prove that $[N, G']=1$ when $N$ is a nilpotent subgroup of a group $G$?
29736
Sylow Subgroups of a Dihedral Group
42891
Prove that $Z(G)$ which is the center of $G$ is a subgroup of $G$
151193
Simple subgroup of Symmetric Group
96680
Generators of symmetric group $S_n$
72767
Center of the dihedral group with odd and even number of vertices
68422
Understanding Lagrange's Theorem (Group Theory)
156521
Centre of Lie Algebra $sl_2(\mathbb{F})$
93198
The order of a conjugacy class is bounded by the index of the center
74978
How the center of a non-cyclic free Group is trivial?
157806
Order of a element on a Symmetric Group
99346
Prove a result on transitive group actions.
114522
Prove that identity is unique in a group