transitive_group_id: [18,166]

 Description: ((C9 x C9) : C3) : C2 

 Stabilizer: C9 : C3 

Density: 1

Join: True 

Spectrum: [(1, 360), (10, 16), (19, 8), (-44, 8), (-107, 1), (-8, 88), (379, 1), (28, 4)]