Canad. Math. Bull. 44(2001), 408-419
Printed: Dec 2001
We classify finite subgroups of $\SO(4)$ generated by anti-unitary
involutions. They correspond to involutions fixing pointwise a
Lagrangian plane. Explicit descriptions of the finite groups and the
configurations of Lagrangian planes are obtained.
22E40 - Discrete subgroups of Lie groups [See also 20Hxx, 32Nxx]
53D99 - None of the above, but in this section