3x3magic.ref

5 Hilbert basis elements
5 Hilbert basis elements of degree 1
4 extreme rays
4 support hyperplanes

embedding dimension = 9
rank = 3
external index = 1

grading:
1 1 1 0 0 0 0 0 0 
with denominator = 3

degrees of extreme rays:
1: 4  

Hilbert basis elements are of degree 1

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5 Hilbert basis elements of degree 1:
 0 2 1 2 1 0 1 0 2
 1 0 2 2 1 0 0 2 1
 1 1 1 1 1 1 1 1 1
 1 2 0 0 1 2 2 0 1
 2 0 1 0 1 2 1 2 0

0 further Hilbert basis elements of higher degree:

4 extreme rays:
 0 2 1 2 1 0 1 0 2
 1 0 2 2 1 0 0 2 1
 1 2 0 0 1 2 2 0 1
 2 0 1 0 1 2 1 2 0

4 support hyperplanes:
 -2 -1 0 0  4 0 0 0 0
  0 -1 0 0  2 0 0 0 0
  0  1 0 0  0 0 0 0 0
  2  1 0 0 -2 0 0 0 0

6 equations:
 1 0 0 0 0  1 -2 -1  1
 0 1 0 0 0  1 -2  0  0
 0 0 1 0 0  1 -1 -1  0
 0 0 0 1 0 -1  2  0 -2
 0 0 0 0 1 -1  1  0 -1
 0 0 0 0 0  3 -4 -1  2

3 basis elements of lattice:
 1 0 -1 -2 0  2  1  0 -1
 0 1 -1 -1 0  1  1 -1  0
 0 0  3  4 1 -2 -1  2  2