Extensions 1→N→G→Q→1 with N=C₃ and Q=C₃⋊D₂₁

Direct product G=N×Q with N=C₃ and Q=C₃⋊D₂₁

		d	ρ	Label	ID
C₃×C₃⋊D₂₁		126		C3xC3:D21	378,57

Semidirect products G=N:Q with N=C₃ and Q=C₃⋊D₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₃⋊(C₃⋊D₂₁) = C₃³⋊D₇	φ: C₃⋊D₂₁/C₃×C₂₁ → C₂ ⊆ Aut C₃	189		C3:(C3:D21)	378,59

Non-split extensions G=N.Q with N=C₃ and Q=C₃⋊D₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₃.(C₃⋊D₂₁) = C₃⋊D₆₃	φ: C₃⋊D₂₁/C₃×C₂₁ → C₂ ⊆ Aut C₃	189		C3.(C3:D21)	378,42
C₃.₂(C₃⋊D₂₁) = C₃²⋊D₂₁	central stem extension (φ=1)	63	6	C3.2(C3:D21)	378,43

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Extensions 1→N→G→Q→1 with N=C3 and Q=C3⋊D21