G2 # Dynkin diagram 1=<<=2 # coordinates (and numbering of) the positive co-roots 1 [1, 0] 2 [0, 1] 3 [1, 3] 4 [1, 1] 5 [2, 3] 6 [1, 2] # f-vector of the cell complex, first segregated by faces of the # dominant chamber, and then cumulative (q marks co-dimension): [0, 0, 0] {1, 2} [0, 0, 1] {2} [0, 0, 2] {1} [8, 8, 1] {} 2 8 + 8 q + 4 q