Extensions 1→N→G→Q→1 with N=C₂² and Q=C₃×D₉

Direct product G=N×Q with N=C₂² and Q=C₃×D₉

		d	ρ	Label	ID
C₂×C₆×D₉		72		C2xC6xD9	216,108

Semidirect products G=N:Q with N=C₂² and Q=C₃×D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊(C₃×D₉) = C₃×C₃.S₄	φ: C₃×D₉/C₃² → S₃ ⊆ Aut C₂²	36	6	C2^2:(C3xD9)	216,91
C₂²⋊₂(C₃×D₉) = A₄×D₉	φ: C₃×D₉/D₉ → C₃ ⊆ Aut C₂²	36	6+	C2^2:2(C3xD9)	216,97
C₂²⋊₃(C₃×D₉) = C₃×C₉⋊D₄	φ: C₃×D₉/C₃×C₉ → C₂ ⊆ Aut C₂²	36	2	C2^2:3(C3xD9)	216,57

Non-split extensions G=N.Q with N=C₂² and Q=C₃×D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².(C₃×D₉) = C₆×Dic₉	central extension (φ=1)	72		C2^2.(C3xD9)	216,55

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Extensions 1→N→G→Q→1 with N=C22 and Q=C3×D9