Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂²xC₅₄

Direct product G=NxQ with N=C₂ and Q=C₂²xC₅₄

		d	ρ	Label	ID
C₂³xC₅₄		432		C2^3xC54	432,228

Non-split extensions G=N.Q with N=C₂ and Q=C₂²xC₅₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂²xC₅₄) = D₄xC₅₄	central stem extension (φ=1)	216		C2.1(C2^2xC54)	432,54
C₂.₂(C₂²xC₅₄) = Q₈xC₅₄	central stem extension (φ=1)	432		C2.2(C2^2xC54)	432,55
C₂.₃(C₂²xC₅₄) = C₄oD₄xC₂₇	central stem extension (φ=1)	216	2	C2.3(C2^2xC54)	432,56

Extensions 1→N→G→Q→1 with N=C2 and Q=C22xC54