The orthogonal group \(\O(n)\) is as a subgroup of the topological group \(\GL(n,\mathbb{R})\) a topological group .
\[
\DeclareMathOperator{\O}{O}
\DeclareMathOperator{\GL}{GL}
\]
The orthogonal group \(\O(n)\) is as a subgroup of the topological group \(\GL(n,\mathbb{R})\) a topological group .