Extensions 1→N→G→Q→1 with N=C₂ and Q=D₉⋊A₄

Direct product G=N×Q with N=C₂ and Q=D₉⋊A₄

		d	ρ	Label	ID
C₂×D₉⋊A₄		54	6+	C2xD9:A4	432,539

Non-split extensions G=N.Q with N=C₂ and Q=D₉⋊A₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₉⋊A₄) = Dic₉⋊A₄	central extension (φ=1)	108	6-	C2.1(D9:A4)	432,265
C₂.₂(D₉⋊A₄) = Dic₉.A₄	central stem extension (φ=1)	144	12+	C2.2(D9:A4)	432,261
C₂.₃(D₉⋊A₄) = D₁₈.A₄	central stem extension (φ=1)	72	12-	C2.3(D9:A4)	432,263

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=D9⋊A4