Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂₈.₅₅D₄

Direct product G=N×Q with N=C₂ and Q=C₂₈.₅₅D₄

		d	ρ	Label	ID
C₂×C₂₈.₅₅D₄		224		C2xC28.55D4	448,740

Non-split extensions G=N.Q with N=C₂ and Q=C₂₈.₅₅D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂₈.₅₅D₄) = (C₂×C₂₈)⋊₃C₈	central extension (φ=1)	448		C2.1(C28.55D4)	448,81
C₂.₂(C₂₈.₅₅D₄) = C₅₆.₉₁D₄	central extension (φ=1)	224		C2.2(C28.55D4)	448,106
C₂.₃(C₂₈.₅₅D₄) = C₂⁴.Dic₇	central stem extension (φ=1)	112		C2.3(C28.55D4)	448,82
C₂.₄(C₂₈.₅₅D₄) = (C₂×C₂₈)⋊C₈	central stem extension (φ=1)	224		C2.4(C28.55D4)	448,85
C₂.₅(C₂₈.₅₅D₄) = C₂₈.₅₇D₈	central stem extension (φ=1)	224		C2.5(C28.55D4)	448,91
C₂.₆(C₂₈.₅₅D₄) = C₂₈.₂₆Q₁₆	central stem extension (φ=1)	448		C2.6(C28.55D4)	448,92
C₂.₇(C₂₈.₅₅D₄) = C₅₆.D₄	central stem extension (φ=1)	112	4	C2.7(C28.55D4)	448,110
C₂.₈(C₂₈.₅₅D₄) = C₅₆.₉₂D₄	central stem extension (φ=1)	224	4	C2.8(C28.55D4)	448,118

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