Extensions 1→N→G→Q→1 with N=C3 and Q=D7

Direct product G=N×Q with N=C3 and Q=D7
dρLabelID
C3×D7212C3xD742,4

Semidirect products G=N:Q with N=C3 and Q=D7
extensionφ:Q→Aut NdρLabelID
C3⋊D7 = D21φ: D7/C7C2 ⊆ Aut C3212+C3:D742,5


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