Conjugacy classes of Cartan subgroups
                for the simply connected split group of type G2

Cartan #0:
split: 2; compact: 0; complex: 0
imaginary root system is empty
real root system: G2
complex factor is empty
twisted involution orbit size: 12/12 = 1
size of parameter space fiber: 1.4 = 4


Cartan #1:
split: 0; compact: 0; complex: 1
imaginary root system: A1
real root system: A1
complex factor is empty
twisted involution orbit size: 12/4 = 3
size of parameter space fiber: 1.1 = 1


Cartan #2:
split: 0; compact: 0; complex: 1
imaginary root system: A1
real root system: A1
complex factor is empty
twisted involution orbit size: 12/4 = 3
size of parameter space fiber: 1.1 = 1


Cartan #3:
split: 0; compact: 2; complex: 0
imaginary root system: G2
real root system is empty
complex factor is empty
twisted involution orbit size: 12/12 = 1
size of parameter space fiber: 4.1 = 4


total number of parameters for this inner class: 
4 + 3 + 3 + 4 = 14