G = E7, simply connected, quaternionic
G^v = E7, adjoint, hermitian

type: E7 sc s
real form: 2
dual real form: 1

Dynkin Diagram:

    2
    |
1-3-4-5-6-7

Special			        Special                           
Orbit   Cells   Diagram #R  A   DualOrbit Cells Diagram #R  A
E6	0	2022020 1   1   (3A1)''	  2     0000002 (4) 1
D5	1	2020020 2   1   (A3+A1)'' 1     2000002 (4) 1
D4	2	2020000 2   1   A5''	  0     2000022 (2) 1