Extensions 1→N→G→Q→1 with N=C₂ and Q=C₈○₂M₄(2)

Direct product G=N×Q with N=C₂ and Q=C₈○₂M₄(2)

		d	ρ	Label	ID
C₂×C₈○₂M₄(2)		64		C2xC8o2M4(2)	128,1604

Non-split extensions G=N.Q with N=C₂ and Q=C₈○₂M₄(2)

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₈○₂M₄(2)) = C₈×M₄(2)	central extension (φ=1)	64		C2.1(C8o2M4(2))	128,181
C₂.₂(C₈○₂M₄(2)) = C₈²⋊C₂	central extension (φ=1)	64		C2.2(C8o2M4(2))	128,182
C₂.₃(C₈○₂M₄(2)) = C₂.C₄³	central extension (φ=1)	128		C2.3(C8o2M4(2))	128,458
C₂.₄(C₈○₂M₄(2)) = C₈×C₂²⋊C₄	central extension (φ=1)	64		C2.4(C8o2M4(2))	128,483
C₂.₅(C₈○₂M₄(2)) = C₈×C₄⋊C₄	central extension (φ=1)	128		C2.5(C8o2M4(2))	128,501
C₂.₆(C₈○₂M₄(2)) = C₈⋊₉M₄(2)	central stem extension (φ=1)	64		C2.6(C8o2M4(2))	128,183
C₂.₇(C₈○₂M₄(2)) = C₂³.₂₇C₄²	central stem extension (φ=1)	64		C2.7(C8o2M4(2))	128,184
C₂.₈(C₈○₂M₄(2)) = C₈²⋊₁₅C₂	central stem extension (φ=1)	64		C2.8(C8o2M4(2))	128,185
C₂.₉(C₈○₂M₄(2)) = C₈²⋊₂C₂	central stem extension (φ=1)	64		C2.9(C8o2M4(2))	128,186
C₂.₁₀(C₈○₂M₄(2)) = C₂³.₂₉C₄²	central stem extension (φ=1)	64		C2.10(C8o2M4(2))	128,461
C₂.₁₁(C₈○₂M₄(2)) = (C₄×C₈)⋊₁₂C₄	central stem extension (φ=1)	128		C2.11(C8o2M4(2))	128,478
C₂.₁₂(C₈○₂M₄(2)) = C₄².₃₇₉D₄	central stem extension (φ=1)	64		C2.12(C8o2M4(2))	128,482
C₂.₁₃(C₈○₂M₄(2)) = C₂³.₃₆C₄²	central stem extension (φ=1)	64		C2.13(C8o2M4(2))	128,484
C₂.₁₄(C₈○₂M₄(2)) = C₂³.₁₇C₄²	central stem extension (φ=1)	64		C2.14(C8o2M4(2))	128,485
C₂.₁₅(C₈○₂M₄(2)) = C₄².₄₅Q₈	central stem extension (φ=1)	128		C2.15(C8o2M4(2))	128,500
C₂.₁₆(C₈○₂M₄(2)) = C₄⋊C₈⋊₁₃C₄	central stem extension (φ=1)	128		C2.16(C8o2M4(2))	128,502
C₂.₁₇(C₈○₂M₄(2)) = C₄⋊C₈⋊₁₄C₄	central stem extension (φ=1)	128		C2.17(C8o2M4(2))	128,503

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