Cartan #0:
split: 0; compact: 5; complex: 0
canonical twisted involution: e
twisted involution orbit size: 1; fiber size: 32; strong inv: 32
imaginary root system: C5
real root system is empty
complex factor is empty
real form #3: [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15] (16)
real form #2: [16,17,18,20,21,22,24,26,27,29] (10)
real form #1: [19,23,25,28,30] (5)
real form #0: [31] (1)


Cartan #1:
split: 0; compact: 3; complex: 1
canonical twisted involution: 2,3,4,5,4,3,2,1,2,3,4,5,4,3,2
twisted involution orbit size: 20; fiber size: 8; strong inv: 160
imaginary root system: A1.C3
real root system: A1
complex factor is empty
real form #3: [0,2,4,6] (4)
real form #2: [1,3,5] (3)
real form #1: [7] (1)


Cartan #4:
split: 0; compact: 1; complex: 2
canonical twisted involution: 4,5,4,3,4,5,4,2,3,4,5,4,1,2,3,4,5,4
twisted involution orbit size: 60; fiber size: 2; strong inv: 120
imaginary root system: A1.A1.A1
real root system: A1.A1
complex factor: A1
real form #3: [0] (1)
real form #2: [1] (1)