Simply connected linear algebraic group
139850
Are the $C$-points of a simply connected algbraic group simply connected?
121257
Image of Homomorphism of Lie groups
96380
Representation of $\text{sl}(2,\mathbb{C})$
110292
Automorphism group of finite $k$-algebra as an affine variety
108975
The simple modules of upper triangular matrix algebras.
71245
$2 \times 2 $ Orthogonal Group
126094
Hartshorne Algebraic Geometry Exercise II.2.16.
89264
Connectedness in the Quotient Space
39866
Automorphism group of the quaternion group
18687
First and second homotopy groups of a connected Lie group
145809
Automorphism group of a lie algebra as a lie subgroup of $GL(\frak g)$
8066
Sort-of-simple non-Hopfian groups
95563
Galois group of a biquadratic quartic
58925
Order of general linear group of $2 \times 2$ matrices over $\mathbb{Z}_3$
90192
Kernel and Image of a group homomorphism
55493
Showing that the path-connected component of the identity matrix in a subgroup of $GL_n(\Bbb R)$ is a normal subgroup
80976
Direct Product Of Abelian Group