GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
gap4r8 / pkg / carat / carat-2.1b1 / tables / qcatalog / dim6 / dir.2-2;2-1;1,1 / ordnung.24 / (1)^4(2)^3(6)^1(24)^1 / group.1957
561077 views#g2 6 -1 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 6 -1 1 0 0 0 0 -1 0 0 0 0 0 0 0 0 -1 0 0 0 0 1 0 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 2^3 * 3^1 = 24 % order of the group