GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
gap4r8 / pkg / carat / carat-2.1b1 / tables / qcatalog / dim4 / dir.2-1,2-1 / ordnung.8 / (4)^4 / min.24
561077 views#g2 4 0 0 0 1 0 0 1 0 0 -1 0 0 -1 0 0 0 4 -1 0 0 0 0 -1 0 0 0 0 1 0 0 0 0 1 2^3 = 8 % order of the group