Cartan #0:
split: 0; compact: 6; complex: 0
canonical twisted involution: e
twisted involution orbit size: 1; fiber size: 64; strong inv: 64
imaginary root system: C6
real root system is empty
complex factor is empty
real form #4: [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
    25,26,27,28,29,30,31] (32)
real form #3: [32,34,37,40,42,45,49,52,54,59] (10)
real form #2: [33,35,36,38,41,43,44,46,48,50,53,55,56,58,61] (15)
real form #1: [39,47,51,57,60,62] (6)
real form #0: [63] (1)


Cartan #1:
split: 0; compact: 4; complex: 1
canonical twisted involution: 2,3,4,5,6,5,4,3,2,1,2,3,4,5,6,5,4,3,2
twisted involution orbit size: 30; fiber size: 16; strong inv: 480
imaginary root system: A1.C4
real root system: A1
complex factor is empty
real form #4: [0,2,4,6,8,10,12,14] (8)
real form #3: [1,5,11] (3)
real form #2: [3,7,9,13] (4)
real form #1: [15] (1)