GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#g3 f2 % almost decomposable bravais-group 4 % generator -1 -1 -1 0 0 1 0 0 0 0 1 0 0 0 0 1 4 % generator -1 0 0 0 1 1 1 0 0 -1 0 0 0 0 0 1 4 % generator 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 -1 4 % invariant form 8 4 4 0 4 8 4 0 4 4 8 0 0 0 0 0 4 % invariant form 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2^5 * 3^1 = 96 % order of the group