G = E7, simply connected, compact G^v = E7, adjoint, split type: E7 sc s real form: 0 dual real form: 3 (unique) Dynkin Diagram: 2 | 1-3-4-5-6-7 Special Special Orbit Cells Diagram #R A Dual Orbit Cells Diagram #R A 0 0 0000000 2 1 1 0 2222222 1 1