transitive_group_id: [18,557]

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

 Stabilizer: (C3 x C3) : ((C8 x C4) : C2) 

Density: 1

Join: True 

Spectrum: [(5824, 1), (-512, 4), (-4544, 1), (640, 2), (64, 376), (10, 4096), (-80, 256), (-8, 5632)]