Cartan #0:
split: 1; compact: 4; complex: 0
canonical twisted involution: e
twisted involution orbit size: 5; fiber size: 16; strong inv: 80
imaginary root system: D4
real root system is empty
complex factor: A1
real form #2: [0,2,5] (3)
real form #1: [1,3,4,6] (4)
real form #0: [7] (1)


Cartan #1:
split: 1; compact: 2; complex: 1
canonical twisted involution: 2,3,4,5,3,2,1,2,3,4,5,3,2
twisted involution orbit size: 60; fiber size: 4; strong inv: 240
imaginary root system: A1.A1.A1
real root system: A1
complex factor: A1
real form #2: [0] (1)
real form #1: [1] (1)


Cartan #2:
split: 3; compact: 2; complex: 0
canonical twisted involution: 2,3,4,5,3,2,1,2,3,4,5,3,2,1
twisted involution orbit size: 10; fiber size: 4; strong inv: 40
imaginary root system: A1.A1
real root system: A3
complex factor: A1
real form #2: [0] (1)
real form #1: [1] (1)