Extensions 1→N→G→Q→1 with N=C₂ and Q=C₇×C₂.C₄²

Direct product G=N×Q with N=C₂ and Q=C₇×C₂.C₄²

		d	ρ	Label	ID
C₁₄×C₂.C₄²		448		C14xC2.C4^2	448,783

Non-split extensions G=N.Q with N=C₂ and Q=C₇×C₂.C₄²

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₇×C₂.C₄²) = C₇×C₂².₇C₄²	central extension (φ=1)	448		C2.1(C7xC2.C4^2)	448,140
C₂.₂(C₇×C₂.C₄²) = C₇×C₄.₉C₄²	central stem extension (φ=1)	112	4	C2.2(C7xC2.C4^2)	448,141
C₂.₃(C₇×C₂.C₄²) = C₇×C₄.₁₀C₄²	central stem extension (φ=1)	112	4	C2.3(C7xC2.C4^2)	448,142
C₂.₄(C₇×C₂.C₄²) = C₇×C₄²⋊₆C₄	central stem extension (φ=1)	112		C2.4(C7xC2.C4^2)	448,143
C₂.₅(C₇×C₂.C₄²) = C₇×C₂².₄Q₁₆	central stem extension (φ=1)	448		C2.5(C7xC2.C4^2)	448,144
C₂.₆(C₇×C₂.C₄²) = C₇×C₄.C₄²	central stem extension (φ=1)	224		C2.6(C7xC2.C4^2)	448,145
C₂.₇(C₇×C₂.C₄²) = C₇×C₂³.₉D₄	central stem extension (φ=1)	112		C2.7(C7xC2.C4^2)	448,146
C₂.₈(C₇×C₂.C₄²) = C₇×C₂².C₄²	central stem extension (φ=1)	224		C2.8(C7xC2.C4^2)	448,147
C₂.₉(C₇×C₂.C₄²) = C₇×M₄(2)⋊₄C₄	central stem extension (φ=1)	112	4	C2.9(C7xC2.C4^2)	448,148

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