transitive_group_id: [18,67]

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

 Stabilizer: D4 

Density: 1

Join: False 

Spectrum: [(1, 54), (101, 1), (11, 9), (-13, 9), (-7, 16), (29, 1), (-1, 54)]