G=E6 simply connected, quaternionic G^v = E6 adjoint, type F4 type: E6 sc c real form: 2 dual real form: 0 2 | Dynkin Diagram: 1-3-4-5-6 Special Special Orbit Cells Diagram #R A Dual Orbit Cells Diagram #R A E6 0 222222 1 1 0 2 000000 1 1 D5 1 220202 1 1 2A1 1 100001 2 1 D4 2 020200 1 1 2A2 0 200002 1 3/1