Suppose a connected simply connected Lie group $G$ has an integral $H$, so $G = H'$ (the commutator subgroup of $H$). Can $H$ always be chosen to be connected; that is, is there a connected Lie group $K$ such that $G = K'$?
2026-04-17 18:01:37.1776448897
Integral of a connected simply connected Lie group
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