Extensions 1→N→G→Q→1 with N=C₂ and Q=C₇×C₄.₄D₄

Direct product G=N×Q with N=C₂ and Q=C₇×C₄.₄D₄

		d	ρ	Label	ID
C₁₄×C₄.₄D₄		224		C14xC4.4D4	448,1309

Non-split extensions G=N.Q with N=C₂ and Q=C₇×C₄.₄D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₇×C₄.₄D₄) = C₇×C₄²⋊₈C₄	central extension (φ=1)	448		C2.1(C7xC4.4D4)	448,790
C₂.₂(C₇×C₄.₄D₄) = C₇×C₂⁴.C₂²	central extension (φ=1)	224		C2.2(C7xC4.4D4)	448,796
C₂.₃(C₇×C₄.₄D₄) = C₇×C₂⁴.₃C₂²	central extension (φ=1)	224		C2.3(C7xC4.4D4)	448,798
C₂.₄(C₇×C₄.₄D₄) = C₇×C₂³.₆₇C₂³	central extension (φ=1)	448		C2.4(C7xC4.4D4)	448,799
C₂.₅(C₇×C₄.₄D₄) = C₇×C₂³⋊Q₈	central stem extension (φ=1)	224		C2.5(C7xC4.4D4)	448,801
C₂.₆(C₇×C₄.₄D₄) = C₇×C₂³.₁₀D₄	central stem extension (φ=1)	224		C2.6(C7xC4.4D4)	448,802
C₂.₇(C₇×C₄.₄D₄) = C₇×C₂³.₁₁D₄	central stem extension (φ=1)	224		C2.7(C7xC4.4D4)	448,805
C₂.₈(C₇×C₄.₄D₄) = C₇×C₂³.₈₃C₂³	central stem extension (φ=1)	448		C2.8(C7xC4.4D4)	448,808
C₂.₉(C₇×C₄.₄D₄) = C₇×C₄.₄D₈	central stem extension (φ=1)	224		C2.9(C7xC4.4D4)	448,894
C₂.₁₀(C₇×C₄.₄D₄) = C₇×C₄.SD₁₆	central stem extension (φ=1)	448		C2.10(C7xC4.4D4)	448,895
C₂.₁₁(C₇×C₄.₄D₄) = C₇×C₄².₇₈C₂²	central stem extension (φ=1)	224		C2.11(C7xC4.4D4)	448,896
C₂.₁₂(C₇×C₄.₄D₄) = C₇×C₄².₂₈C₂²	central stem extension (φ=1)	224		C2.12(C7xC4.4D4)	448,897
C₂.₁₃(C₇×C₄.₄D₄) = C₇×C₄².₂₉C₂²	central stem extension (φ=1)	224		C2.13(C7xC4.4D4)	448,898
C₂.₁₄(C₇×C₄.₄D₄) = C₇×C₄².₃₀C₂²	central stem extension (φ=1)	448		C2.14(C7xC4.4D4)	448,899

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