transitive_group_id: [18,253]

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

 Stabilizer: C9 : C6 

Density: 1

Join: True 

Spectrum: [(1, 720), (-350, 1), (136, 2), (10, 32), (622, 1), (19, 16), (-44, 16), (-8, 176), (28, 8)]