GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
1 module generators 1 Hilbert basis elements of recession monoid 1 vertices of polyhedron 1 extreme rays of recession cone 2 support hyperplanes of polyhedron (homogenized) embedding dimension = 2 affine dimension of the polyhedron = 1 (maximal) rank of recession monoid = 1 dehomogenization: 0 1 module rank = 1 *********************************************************************** 1 module generators: 302 1 1 Hilbert basis elements of recession monoid: 385 0 1 vertices of polyhedron: 0 385 1 extreme rays of recession cone: 385 0 2 support hyperplanes of polyhedron (homogenized): 0 1 1 0 1 congruences: 167 1 385 2 basis elements of lattice: 1 -167 0 385