gives True, if magnetic point groups are taken into account and False otherwise.
Details and Options
The global variable GTmaggrpq is a logical variable determining if magnetic groups are taken into account. GTMagneticQ gives the current value of GTmaggrpq.
See: W. Hergert, M. Geilhufe, Group Theory in Solid State Physics and Photonics. Problem Solving with Mathematica, chapter 4.3