G = E7, simply connected, hermitian G^v = E7, adjoint, split type: E7 sc s real form: 1 dual real form: 3 Dynkin Diagram: 2 | 1-3-4-5-6-7 Special Special Orbit Cells Diagram #R A DualOrbit Cells Diagram #R A 1 22 0000000 1 1 E7 0 2222222 2 1 A1 20,21 1000000 2 1 E7(a1) 1,2 2220222 2 2/1 2A1 14,17,19 0000010 3 1 E7(a2) 3,4,6 2220202 2 1 (3A1)'' 7,8,13,16 0000002 4 1 E6 5,7,17,18 2022020 1 1 A2 18 2000000 1 2/2 E7(a3) 8 2002022 4 2/2 A2+A1 12,15 1000010 2 2/2 E6(a1) 9,10 2002020 2 2/2 A3 9,10 2000010 2 1 D6(a1) 12,13 2110102 2 1 2A2 11 0000020 1 1 D5+A1 11 2110110 2 1 (A3+A1)'' 1,4,5,6 2000002 4 1 D5 14,15,19,20 2020020 1 1 A4 3 2000020 1 2/2 D5(a1) 16 2001010 3 2/2 A5'' 0,2 2000022 2 1 D4 21,22 2020000 1 1