GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
gap4r8 / pkg / carat / carat-2.1b1 / tables / qcatalog / dim5 / dir.4-2;1 / ordnung.12 / (1)^1(2)^2(6)^2 / min.156
561077 views#g2 5 0 0 -1 0 0 0 0 0 -1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 5 -1 -1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 -1 -1 0 0 0 0 0 1 2^2 * 3^1 = 12 % order of the group