d | ρ | Label | ID | ||
---|---|---|---|---|---|
C10×D9 | 90 | 2 | C10xD9 | 180,10 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C10⋊D9 = D90 | φ: D9/C9 → C2 ⊆ Aut C10 | 90 | 2+ | C10:D9 | 180,11 |
extension | φ:Q→Aut N | d | ρ | Label | ID |
---|---|---|---|---|---|
C10.D9 = Dic45 | φ: D9/C9 → C2 ⊆ Aut C10 | 180 | 2- | C10.D9 | 180,3 |
C10.2D9 = C5×Dic9 | central extension (φ=1) | 180 | 2 | C10.2D9 | 180,1 |