GTGroupNotation[group] changes the notation of group between Schoenflies and Hermann-Mauguin.
First, load the package:
Then run the examples:
Bracketing bars are use for the definition of the HM symmetry elements. You find it on the palette or the keyboard entries are ESC l| ESC and ESC r| ESC.
GTGroupConnection GTGroupHierarchy GTInstallGroup GTIrepNotation GTSpaceGroups