Is a conjugation of a Lie subgroup a Lie subgroup?
121257
Image of Homomorphism of Lie groups
14895
Reference for the subgroup structure of $\rm{PSL}_2(q)$
153797
Is a quotient group a subgroup?
87454
Counterexample for the normalizer being a normal subgroup
101229
Lie algebra of $\left(\begin{smallmatrix}a & b\\ & a^2\end{smallmatrix}\right )$ in $GL_2(\mathbb{R})$
18893
$\varphi:G\to H$ is a Lie Group Homomorphism, then $\ker \varphi$ has Lie algebra $\ker D_e \varphi$
112690
Lie Group Decomposition as Semidirect Product of Connected and Discrete Groups
114569
How do you find the Lie algebra of a Lie group (in practice)?
123610
How to show that the commutator subgroup is a normal subgroup
5812
Is there an isomorphism between factor groups and subgroups of symmetric groups?
49527
Prove that $a$ commutes with each of its conjugates in $G$ iff $a$ belongs to an abelian normal subgroup of $G$.
148720
Reference for Lie-algebra valued differential forms
34966
Is the product of closed subgroups in topological group closed?
72548
Lie group embeddings $SO(10) \supset SU(3) \times SU(2) \times U(1)?$
15686
Product of a Lie ideal with a subalgebra
26958
Classification of 3-dimensional Lie Algebra
44629
Why Lie algebras of type $B_2$ and $C_2$ are isomorphic?