Extensions 1→N→G→Q→1 with N=C₂ and Q=C₁₀×D₉

Direct product G=N×Q with N=C₂ and Q=C₁₀×D₉

		d	ρ	Label	ID
D₉×C₂×C₁₀		180		D9xC2xC10	360,48

Non-split extensions G=N.Q with N=C₂ and Q=C₁₀×D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₁₀×D₉) = D₉×C₂₀	central extension (φ=1)	180	2	C2.1(C10xD9)	360,21
C₂.₂(C₁₀×D₉) = C₁₀×Dic₉	central extension (φ=1)	360		C2.2(C10xD9)	360,23
C₂.₃(C₁₀×D₉) = C₅×Dic₁₈	central stem extension (φ=1)	360	2	C2.3(C10xD9)	360,20
C₂.₄(C₁₀×D₉) = C₅×D₃₆	central stem extension (φ=1)	180	2	C2.4(C10xD9)	360,22
C₂.₅(C₁₀×D₉) = C₅×C₉⋊D₄	central stem extension (φ=1)	180	2	C2.5(C10xD9)	360,24

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