transitive_group_id: [18,387]

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

 Stabilizer: C2 x ((S3 x S3) : C2) 

Density: 1

Join: True 

Spectrum: [(64, 28), (-224, 2), (1, 1024), (10, 512), (1648, 1), (-944, 1), (-44, 128), (-8, 768), (28, 128)]