Extensions 1→N→G→Q→1 with N=C₂ and Q=D₇×C₄²

Direct product G=N×Q with N=C₂ and Q=D₇×C₄²

		d	ρ	Label	ID
D₇×C₂×C₄²		224		D7xC2xC4^2	448,924

Non-split extensions G=N.Q with N=C₂ and Q=D₇×C₄²

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₇×C₄²) = D₇×C₄×C₈	central extension (φ=1)	224		C2.1(D7xC4^2)	448,218
C₂.₂(D₇×C₄²) = C₄²×Dic₇	central extension (φ=1)	448		C2.2(D7xC4^2)	448,464
C₂.₃(D₇×C₄²) = Dic₇.₅C₄²	central stem extension (φ=1)	448		C2.3(D7xC4^2)	448,182
C₂.₄(D₇×C₄²) = Dic₇⋊C₄²	central stem extension (φ=1)	448		C2.4(D7xC4^2)	448,183
C₂.₅(D₇×C₄²) = D₇×C₂.C₄²	central stem extension (φ=1)	224		C2.5(D7xC4^2)	448,197
C₂.₆(D₇×C₄²) = D₁₄⋊C₄²	central stem extension (φ=1)	224		C2.6(D7xC4^2)	448,200
C₂.₇(D₇×C₄²) = C₄×C₈⋊D₇	central stem extension (φ=1)	224		C2.7(D7xC4^2)	448,221
C₂.₈(D₇×C₄²) = D₁₄.C₄²	central stem extension (φ=1)	224		C2.8(D7xC4^2)	448,223
C₂.₉(D₇×C₄²) = D₇×C₈⋊C₄	central stem extension (φ=1)	224		C2.9(D7xC4^2)	448,238
C₂.₁₀(D₇×C₄²) = Dic₇.C₄²	central stem extension (φ=1)	224		C2.10(D7xC4^2)	448,241
C₂.₁₁(D₇×C₄²) = D₁₄.₄C₄²	central stem extension (φ=1)	224		C2.11(D7xC4^2)	448,242
C₂.₁₂(D₇×C₄²) = C₄×Dic₇⋊C₄	central stem extension (φ=1)	448		C2.12(D7xC4^2)	448,465
C₂.₁₃(D₇×C₄²) = C₄×D₁₄⋊C₄	central stem extension (φ=1)	224		C2.13(D7xC4^2)	448,472

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