Extensions 1→N→G→Q→1 with N=C₂ and Q=C₈:₇D₄

Direct product G=NxQ with N=C₂ and Q=C₈:₇D₄

		d	ρ	Label	ID
C₂xC₈:₇D₄		64		C2xC8:7D4	128,1780

Non-split extensions G=N.Q with N=C₂ and Q=C₈:₇D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₈:₇D₄) = C₂³.₂₂D₈	central extension (φ=1)	64		C2.1(C8:7D4)	128,540
C₂.₂(C₈:₇D₄) = C₂³.₂₃D₈	central extension (φ=1)	64		C2.2(C8:7D4)	128,625
C₂.₃(C₈:₇D₄) = C₂.(C₈:₇D₄)	central extension (φ=1)	64		C2.3(C8:7D4)	128,666
C₂.₄(C₈:₇D₄) = C₈:₅(C₄:C₄)	central extension (φ=1)	128		C2.4(C8:7D4)	128,674
C₂.₅(C₈:₇D₄) = (C₂xC₄):₆D₈	central extension (φ=1)	64		C2.5(C8:7D4)	128,702
C₂.₆(C₈:₇D₄) = C₈:₇D₈	central stem extension (φ=1)	64		C2.6(C8:7D4)	128,399
C₂.₇(C₈:₇D₄) = C₈:₁₃SD₁₆	central stem extension (φ=1)	64		C2.7(C8:7D4)	128,400
C₂.₈(C₈:₇D₄) = C₈:₁₀SD₁₆	central stem extension (φ=1)	64		C2.8(C8:7D4)	128,405
C₂.₉(C₈:₇D₄) = C₈:₇Q₁₆	central stem extension (φ=1)	128		C2.9(C8:7D4)	128,406
C₂.₁₀(C₈:₇D₄) = D₄.₂D₈	central stem extension (φ=1)	64		C2.10(C8:7D4)	128,413
C₂.₁₁(C₈:₇D₄) = Q₈.₂D₈	central stem extension (φ=1)	64		C2.11(C8:7D4)	128,414
C₂.₁₂(C₈:₇D₄) = C₂³:₂D₈	central stem extension (φ=1)	64		C2.12(C8:7D4)	128,731
C₂.₁₃(C₈:₇D₄) = C₂⁴.₈₃D₄	central stem extension (φ=1)	64		C2.13(C8:7D4)	128,765
C₂.₁₄(C₈:₇D₄) = (C₂xC₄):₃D₈	central stem extension (φ=1)	64		C2.14(C8:7D4)	128,786
C₂.₁₅(C₈:₇D₄) = (C₂xC₄).₂₃D₈	central stem extension (φ=1)	64		C2.15(C8:7D4)	128,799
C₂.₁₆(C₈:₇D₄) = C₂³.₁₂D₈	central stem extension (φ=1)	64		C2.16(C8:7D4)	128,807
C₂.₁₇(C₈:₇D₄) = (C₂xC₄).₂₆D₈	central stem extension (φ=1)	128		C2.17(C8:7D4)	128,818
C₂.₁₈(C₈:₇D₄) = C₁₆:₇D₄	central stem extension (φ=1)	64		C2.18(C8:7D4)	128,947
C₂.₁₉(C₈:₇D₄) = C₁₆.₁₉D₄	central stem extension (φ=1)	64		C2.19(C8:7D4)	128,948
C₂.₂₀(C₈:₇D₄) = C₁₆:₈D₄	central stem extension (φ=1)	64		C2.20(C8:7D4)	128,949
C₂.₂₁(C₈:₇D₄) = C₁₆:D₄	central stem extension (φ=1)	64		C2.21(C8:7D4)	128,950
C₂.₂₂(C₈:₇D₄) = C₁₆.D₄	central stem extension (φ=1)	64		C2.22(C8:7D4)	128,951
C₂.₂₃(C₈:₇D₄) = C₁₆:₂D₄	central stem extension (φ=1)	64		C2.23(C8:7D4)	128,952
C₂.₂₄(C₈:₇D₄) = D₄.₃D₈	central stem extension (φ=1)	32	4+	C2.24(C8:7D4)	128,953
C₂.₂₅(C₈:₇D₄) = D₄.₄D₈	central stem extension (φ=1)	64	4-	C2.25(C8:7D4)	128,954
C₂.₂₆(C₈:₇D₄) = D₄.₅D₈	central stem extension (φ=1)	32	4	C2.26(C8:7D4)	128,955

Extensions 1→N→G→Q→1 with N=C2 and Q=C8:7D4

Extensions 1→N→G→Q→1 with N=C₂ and Q=C₈:₇D₄