GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
2 extreme rays
2 support hyperplanes
embedding dimension = 2
rank = 2 (maximal)
external index = 1
internal index = 1
size of triangulation = 1
resulting sum of |det|s = 1
grading:
-12345678901234567889 1
degrees of extreme rays:
1: 2
multiplicity = 1
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2 extreme rays:
0 1
1 12345678901234567890
2 support hyperplanes:
-12345678901234567890 1
1 0