TII subcells for the Spin(16,1) x PSp(16,R) block of Spin17 # cell#0 , |C| = 9 special orbit = [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] special rep = [[1], [1, 1, 1, 1, 1, 1, 1]] , dim = 8 cell rep = phi[[1, 1, 1, 1, 1, 1, 1, 1],[]]+phi[[1],[1, 1, 1, 1, 1, 1, 1]] TII depth = 1 TII multiplicity polynomial = 7*X+X^2 TII subcells: tii[2,1] := {0, 1} tii[2,2] := {2} tii[2,3] := {3} tii[2,4] := {4} tii[2,5] := {5} tii[2,6] := {6} tii[2,7] := {7} tii[2,8] := {8} cell#1 , |C| = 1 special orbit = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] special rep = [[], [1, 1, 1, 1, 1, 1, 1, 1]] , dim = 1 cell rep = phi[[],[1, 1, 1, 1, 1, 1, 1, 1]] TII depth = 1 TII multiplicity polynomial = X TII subcells: tii[1,1] := {0}