Extensions 1→N→G→Q→1 with N=C₂ and Q=C₇×C₄.D₄

Direct product G=N×Q with N=C₂ and Q=C₇×C₄.D₄

		d	ρ	Label	ID
C₁₄×C₄.D₄		112		C14xC4.D4	448,819

Non-split extensions G=N.Q with N=C₂ and Q=C₇×C₄.D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₇×C₄.D₄) = C₇×C₂³⋊C₈	central extension (φ=1)	112		C2.1(C7xC4.D4)	448,127
C₂.₂(C₇×C₄.D₄) = C₇×C₂².C₄²	central extension (φ=1)	224		C2.2(C7xC4.D4)	448,147
C₂.₃(C₇×C₄.D₄) = C₇×C₄².C₂²	central stem extension (φ=1)	224		C2.3(C7xC4.D4)	448,133
C₂.₄(C₇×C₄.D₄) = C₇×C₄.D₈	central stem extension (φ=1)	224		C2.4(C7xC4.D4)	448,135
C₂.₅(C₇×C₄.D₄) = C₇×C₄.₆Q₁₆	central stem extension (φ=1)	448		C2.5(C7xC4.D4)	448,137

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