transitive_group_id: [18,222] Description: (((C3 x C3 x C3) : (C2 x C2)) : C3) : C2 Stabilizer: S3 x S3 Density: 1 Join: False Spectrum: [(-64, 9), (2, 288), (5, 72), (44, 9), (-46, 4), (-13, 72), (116, 1), (440, 1), (-1, 192)]