GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#g2 % space group to the point group of min.108.1.3 and cozycle coz 6 /2 % generator -2 0 0 0 0 0 0 -2 0 0 0 0 0 0 2 0 0 3 0 0 0 0 2 3 0 0 0 2 0 -3 0 0 0 0 0 2 6 % generator 1 0 0 0 0 0 0 1 0 0 0 -1 0 0 0 0 -1 0 0 0 -1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 % order of the group unknown