transitive_group_id: [18,213]

 Description: (C3 x C3 x C3 x C3) : D4 

 Stabilizer: C2 x ((C3 x C3) : C2) 

Density: 1

Join: True 

Spectrum: [(64, 6), (1, 512), (388, 1), (-8, 128), (-260, 1)]