transitive_group_id: [18,388]

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

 Stabilizer: C2 x C2 x S3 x S3 

Density: 1

Join: True 

Spectrum: [(1696, 1), (64, 8), (-896, 1), (160, 8), (-32, 72), (4, 704), (1, 512), (40, 32), (-20, 64), (16, 226), (-80, 36), (-8, 416), (-2, 512)]