LG80 Double ordinary: Wyckoff positions
Euclid space stratification: Fundamental domain & Wyckoff positions
Maximal Wyckoff positions: {a, b, d}
# - Ordinal, Label, Coo - general position coordinates, F - Stabilizer (isomorphic point group),
FEl - Stabilizer elements (exponents in the monomial in the generators ~
{t, t, C6, Ux, σh, e'}), |F| - Stabilizer order,
|O| = |PI|/|F| - Orbit order (number of orbit points per elementary cell