Cartan #0:
split: 0; compact: 3; complex: 0
canonical twisted involution: e
twisted involution orbit size: 1; fiber size: 8; strong inv: 8
imaginary root system: B3
real root system is empty
complex factor is empty
real form #3: [0,2,5] (3)
real form #2: [1,4,6] (3)
real form #1: [3] (1)
real form #0: [7] (1)


Cartan #2:
split: 0; compact: 1; complex: 1
canonical twisted involution: 1,2,3,2,1
twisted involution orbit size: 3; fiber size: 2; strong inv: 6
imaginary root system: B2
real root system: A1
complex factor is empty
real form #3: [0,2] (2)
real form #2: [1] (1)
real form #1: [3] (1)