a) What are the symmetry operations for the molecule AB where the B atoms lie at the corners of a square and the A atom is at the center and is not coplanar with the B atoms.
(b) Find the multiplication table.
(e) List the subgroups. Which subgroups are self-conjugate?
(d) List the classes.
(e) Find the multiplication table for the factor group for the self-conjugate subgroup(s) of (c).