Extensions 1→N→G→Q→1 with N=C2 and Q=D69
Direct product G=N×Q with N=C2 and Q=D69
Non-split extensions G=N.Q with N=C2 and Q=D69
extension | φ:Q→Aut N | d | ρ | Label | ID |
C2.D69 = Dic69 | central extension (φ=1) | 276 | 2- | C2.D69 | 276,3 |
×
⋊
ℤ
𝔽
○
≀
ℚ
◁