Extensions 1→N→G→Q→1 with N=C₂ and Q=C₉×D₇

Direct product G=N×Q with N=C₂ and Q=C₉×D₇

		d	ρ	Label	ID
D₇×C₁₈		126	2	D7xC18	252,12

Non-split extensions G=N.Q with N=C₂ and Q=C₉×D₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(C₉×D₇) = C₉×Dic₇	central extension (φ=1)	252	2	C2.(C9xD7)	252,4

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Extensions 1→N→G→Q→1 with N=C2 and Q=C9×D7