transitive_group_id: [18,326]

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

 Stabilizer: C3 x ((C3 x C3) : C3) 

Density: 1

Join: True 

Spectrum: [(1, 648), (-29, 72), (4, 144), (1165, 1), (25, 72), (-293, 1), (-131, 8), (-2, 504), (31, 8)]