Table 2 The transformation rules of the |X〉, |Y〉, |Z〉 states under the operations of \(Pn\bar{3}m\) group.

From: Magneto-absorption spectra of hydrogen-like yellow exciton series in cuprous oxide: excitons in strong magnetic fields

State

C 2z

C 3

m xy

I

|X

−|X

|Y

|Y

|X

|Y

−|Y

|Z

|X

|Y

|Z

+|Z

|X

|Z

|Z