transitive_group_id: [12,55]

 Description: C2 x ((C4 x C4) : C3) 

 Stabilizer: C4 x C2 

Density: 1

Join: True 

Spectrum: [(1, 36), (3, 18), (-19, 2), (77, 1), (-5, 18), (-3, 9), (-1, 12)]