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