transitive_group_id: [18,553]

 Description: (C3 x C3 x C3 x C3) : ((C8 x C8) : C2) 

 Stabilizer: C8 x ((C3 x C3) : C8) 

Density: 1

Join: True 

Spectrum: [(5248, 1), (-5120, 1), (64, 126), (1, 8192), (-8, 2048)]