How to prove that every Lie group is the semidirect product of a connected Lie group and a discrete group?
112690
Lie Group Decomposition as Semidirect Product of Connected and Discrete Groups
80976
Direct Product Of Abelian Group
36878
Prove that $\operatorname{SL}(n,\Bbb R)$ is connected.
114626
Lie Algebra of U(N) and SO(N)
149772
How can a Lie subgroup of a matrix Lie group not be a matrix Lie group
62219
Under what conditions is the exponential map on a Lie algebra injective?
58653
The opposite of Weyl's theorem on Lie algebras
91997
Product of two subgroups the whole group?
41483
Proof relation between Levi-Civita symbol and Kronecker deltas in Group Theory
97637
Showing that isotropy groups are submanifolds
157742
Prove that $U(n)$ is a manifold
35248
Getting started with Lie Groups
18687
First and second homotopy groups of a connected Lie group
95686
$Lie(G \times H)\cong Lie(G)\oplus Lie(H)$
72932
Center of Lie group and Lie algebra
42096
Direct product of Sylow subgroups
111883
Representations of a product of Lie groups