transitive_group_id: [18,413] Description: ((C9 : C3) x (C9 : C3)) : (C2 x C2) Stabilizer: C3 x (C9 : C6) Density: 1 Join: True Spectrum: [(1, 1296), (1858, 1), (4, 144), (7, 288), (40, 48), (-20, 144), (400, 2), (49, 16), (-14, 96), (-140, 16), (-2, 864), (-1058, 1)]