Extensions 1→N→G→Q→1 with N=C₂ and Q=M₄(2).C₄

Direct product G=N×Q with N=C₂ and Q=M₄(2).C₄

		d	ρ	Label	ID
C₂×M₄(2).C₄		32		C2xM4(2).C4	128,1647

Non-split extensions G=N.Q with N=C₂ and Q=M₄(2).C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(M₄(2).C₄) = M₄(2)⋊₁C₈	central extension (φ=1)	64		C2.1(M4(2).C4)	128,297
C₂.₂(M₄(2).C₄) = C₂⁴.₇Q₈	central extension (φ=1)	32		C2.2(M4(2).C4)	128,470
C₂.₃(M₄(2).C₄) = C₈.₆C₄²	central extension (φ=1)	64		C2.3(M4(2).C4)	128,510
C₂.₄(M₄(2).C₄) = C₈⋊₁M₄(2)	central stem extension (φ=1)	64		C2.4(M4(2).C4)	128,301
C₂.₅(M₄(2).C₄) = C₄².₉₀D₄	central stem extension (φ=1)	64		C2.5(M4(2).C4)	128,302
C₂.₆(M₄(2).C₄) = C₄².₉₁D₄	central stem extension (φ=1)	64		C2.6(M4(2).C4)	128,303
C₂.₇(M₄(2).C₄) = C₄².Q₈	central stem extension (φ=1)	64		C2.7(M4(2).C4)	128,304
C₂.₈(M₄(2).C₄) = C₂⁴.₉Q₈	central stem extension (φ=1)	32		C2.8(M4(2).C4)	128,543
C₂.₉(M₄(2).C₄) = C₄².₁₀₄D₄	central stem extension (φ=1)	64		C2.9(M4(2).C4)	128,570
C₂.₁₀(M₄(2).C₄) = C₄².₁₀₆D₄	central stem extension (φ=1)	64		C2.10(M4(2).C4)	128,581
C₂.₁₁(M₄(2).C₄) = C₂⁴.₁₀Q₈	central stem extension (φ=1)	32		C2.11(M4(2).C4)	128,587
C₂.₁₂(M₄(2).C₄) = C₄².₄₃₀D₄	central stem extension (φ=1)	64		C2.12(M4(2).C4)	128,682

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