GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
1 extreme rays 1 support hyperplanes embedding dimension = 2 rank = 2 (maximal) external index = 1 dimension of maximal subspace = 1 size of triangulation = 1 resulting sum of |det|s = 1 grading: 1 0 degrees of extreme rays: 1: 1 multiplicity = 1 Hilbert series: 1 denominator with 1 factors: 1: 1 degree of Hilbert Series as rational function = -1 The numerator of the Hilbert Series is symmetric. Hilbert polynomial: 1 with common denominator = 1 *********************************************************************** 1 extreme rays: 1 0 1 basis elements of maximal subspace: 0 1 1 support hyperplanes: 1 0