SL(4,R) 0: 0 0 [C,n,C] 3 1 3 * 2 * (1,4),(2,3)+ 1: 0 0 [C,n,C] 4 0 4 * 2 * (1,4),(2,3)- 2: 1 1 [C,r,C] 6 2 5 * * * 2 (1,4) 3: 1 0 [C,C,C] 0 7 0 * * * 1,3 (1,3),(2,4)+ 4: 1 0 [C,C,C] 1 8 1 * * * 1,3 (1,3),(2,4)- 5: 2 1 [C,C,C] 10 9 2 * * * 3,2,1 (1,3) 6: 2 1 [C,C,C] 2 11 10 * * * 1,2,3 (2,4) 7: 2 0 [n,C,n] 8 3 8 11 * 9 2,1,3,2 (1,2),(3,4)+ 8: 2 0 [n,C,n] 7 4 7 11 * 9 2,1,3,2 (1,2),(3,4)- 9: 3 1 [n,C,r] 9 5 9 12 * * 2,1,3,2,1 (1,2) 10: 3 1 [C,n,C] 5 10 6 * 12 * 1,2,3,2,1 (2,3) 11: 3 1 [r,C,n] 11 6 11 * * 12 1,2,1,3,2 (3,4) 12: 4 2 [r,r,r] 12 12 12 * * * 1,2,1,3,2,1 ()