Extensions 1→N→G→Q→1 with N=C21 and Q=C3

Direct product G=N×Q with N=C21 and Q=C3
dρLabelID
C3×C2163C3xC2163,4

Semidirect products G=N:Q with N=C21 and Q=C3
extensionφ:Q→Aut NdρLabelID
C21⋊C3 = C3×C7⋊C3φ: C3/C1C3 ⊆ Aut C21213C21:C363,3

Non-split extensions G=N.Q with N=C21 and Q=C3
extensionφ:Q→Aut NdρLabelID
C21.C3 = C7⋊C9φ: C3/C1C3 ⊆ Aut C21633C21.C363,1

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