Extensions 1→N→G→Q→1 with N=C9 and Q=C21

Direct product G=N×Q with N=C9 and Q=C21
dρLabelID
C3×C63189C3xC63189,9

Semidirect products G=N:Q with N=C9 and Q=C21
extensionφ:Q→Aut NdρLabelID
C9⋊C21 = C7×3- 1+2φ: C21/C7C3 ⊆ Aut C9633C9:C21189,11


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