transitive_group_id: [18,479]

 Description: (C3 x C3 x C3 x C3) : (C2 . ((C2 x C2 x C2) : C4) = (C4 x C2) . (C4 x C2)) 

 Stabilizer: (C3 x C3) : (C4 : Q8) 

Density: 1

Join: True 

Spectrum: [(2656, 1), (-2528, 1), (64, 62), (1, 4096), (-8, 1024)]