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May 16, 2023 at 4:53 history bounty ended Dylan Thurston
May 8, 2023 at 12:50 comment added Dylan Thurston So to specialize to $n=3$ translate into the notation for Lie groups that the question used, your answer is that $G_{\mathbb{R}} = PO(3) = SO(3)$, $G_{\mathbb{C}} = PU(3) \rtimes \mathbb{Z}/2$, and $G_{\mathbb{H}} = PSp(3)$?
Apr 18, 2023 at 2:11 review Late answers
Apr 18, 2023 at 6:31
Apr 18, 2023 at 1:51 history answered Michael Orlitzky CC BY-SA 4.0