Extensions 1→N→G→Q→1 with N=C₂ and Q=D₄×C₁₈

Direct product G=N×Q with N=C₂ and Q=D₄×C₁₈

		d	ρ	Label	ID
D₄×C₂×C₁₈		144		D4xC2xC18	288,368

Non-split extensions G=N.Q with N=C₂ and Q=D₄×C₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₄×C₁₈) = C₂²⋊C₄×C₁₈	central extension (φ=1)	144		C2.1(D4xC18)	288,165
C₂.₂(D₄×C₁₈) = C₄⋊C₄×C₁₈	central extension (φ=1)	288		C2.2(D4xC18)	288,166
C₂.₃(D₄×C₁₈) = D₄×C₃₆	central extension (φ=1)	144		C2.3(D4xC18)	288,168
C₂.₄(D₄×C₁₈) = C₉×C₂²≀C₂	central stem extension (φ=1)	72		C2.4(D4xC18)	288,170
C₂.₅(D₄×C₁₈) = C₉×C₄⋊D₄	central stem extension (φ=1)	144		C2.5(D4xC18)	288,171
C₂.₆(D₄×C₁₈) = C₉×C₂²⋊Q₈	central stem extension (φ=1)	144		C2.6(D4xC18)	288,172
C₂.₇(D₄×C₁₈) = C₉×C₂².D₄	central stem extension (φ=1)	144		C2.7(D4xC18)	288,173
C₂.₈(D₄×C₁₈) = C₉×C₄.₄D₄	central stem extension (φ=1)	144		C2.8(D4xC18)	288,174
C₂.₉(D₄×C₁₈) = C₉×C₄⋊₁D₄	central stem extension (φ=1)	144		C2.9(D4xC18)	288,177
C₂.₁₀(D₄×C₁₈) = C₉×C₄⋊Q₈	central stem extension (φ=1)	288		C2.10(D4xC18)	288,178
C₂.₁₁(D₄×C₁₈) = D₈×C₁₈	central stem extension (φ=1)	144		C2.11(D4xC18)	288,182
C₂.₁₂(D₄×C₁₈) = SD₁₆×C₁₈	central stem extension (φ=1)	144		C2.12(D4xC18)	288,183
C₂.₁₃(D₄×C₁₈) = Q₁₆×C₁₈	central stem extension (φ=1)	288		C2.13(D4xC18)	288,184
C₂.₁₄(D₄×C₁₈) = C₉×C₄○D₈	central stem extension (φ=1)	144	2	C2.14(D4xC18)	288,185
C₂.₁₅(D₄×C₁₈) = C₉×C₈⋊C₂²	central stem extension (φ=1)	72	4	C2.15(D4xC18)	288,186
C₂.₁₆(D₄×C₁₈) = C₉×C₈.C₂²	central stem extension (φ=1)	144	4	C2.16(D4xC18)	288,187

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