GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
7 extreme rays 8 support hyperplanes embedding dimension = 5 rank = 5 (maximal) external index = 1 internal index = 2 size of triangulation = 4 resulting sum of |det|s = 14 grading: 0 0 0 0 1 degrees of extreme rays: 1: 5 2: 1 3: 1 multiplicity = 10/3 *********************************************************************** 7 extreme rays: 0 1 1 0 1 0 2 0 0 1 2 0 1 0 1 3 1 0 0 1 4 0 0 0 1 0 4 1 0 2 0 0 0 2 3 8 support hyperplanes: -3 -5 -8 -21 14 -1 -3 0 -9 6 -1 -2 -4 -9 6 -1 -1 -2 -6 4 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 1 2 2 6 -4