Extensions 1→N→G→Q→1 with N=C₂ and Q=C₄²⋊₉C₄

Direct product G=N×Q with N=C₂ and Q=C₄²⋊₉C₄

		d	ρ	Label	ID
C₂×C₄²⋊₉C₄		128		C2xC4^2:9C4	128,1016

Non-split extensions G=N.Q with N=C₂ and Q=C₄²⋊₉C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₄²⋊₉C₄) = C₂⁴.₆₂₅C₂³	central extension (φ=1)	128		C2.1(C4^2:9C4)	128,167
C₂.₂(C₄²⋊₉C₄) = C₄²⋊₉C₈	central extension (φ=1)	128		C2.2(C4^2:9C4)	128,574
C₂.₃(C₄²⋊₉C₄) = C₂⁴.₆₃₄C₂³	central stem extension (φ=1)	128		C2.3(C4^2:9C4)	128,176
C₂.₄(C₄²⋊₉C₄) = C₄².₂₅Q₈	central stem extension (φ=1)	128		C2.4(C4^2:9C4)	128,575
C₂.₅(C₄²⋊₉C₄) = C₄².₅₈Q₈	central stem extension (φ=1)	128		C2.5(C4^2:9C4)	128,576
C₂.₆(C₄²⋊₉C₄) = C₄².₅₉Q₈	central stem extension (φ=1)	128		C2.6(C4^2:9C4)	128,577
C₂.₇(C₄²⋊₉C₄) = C₄².₆₀Q₈	central stem extension (φ=1)	128		C2.7(C4^2:9C4)	128,578
C₂.₈(C₄²⋊₉C₄) = C₄².₂₆Q₈	central stem extension (φ=1)	128		C2.8(C4^2:9C4)	128,579
C₂.₉(C₄²⋊₉C₄) = C₄².₃₂₄D₄	central stem extension (φ=1)	64		C2.9(C4^2:9C4)	128,580
C₂.₁₀(C₄²⋊₉C₄) = C₄².₁₀₆D₄	central stem extension (φ=1)	64		C2.10(C4^2:9C4)	128,581

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