transitive_group_id: [18,398]

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

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

Density: 1

Join: True 

Spectrum: [(64, 30), (1, 2048), (1360, 1), (-1232, 1), (-8, 512)]