Extensions 1→N→G→Q→1 with N=C11xD11 and Q=C2

Direct product G=NxQ with N=C11xD11 and Q=C2
dρLabelID
D11xC22442D11xC22484,10

Semidirect products G=N:Q with N=C11xD11 and Q=C2
extensionφ:Q→Out NdρLabelID
(C11xD11):C2 = D112φ: C2/C1C2 ⊆ Out C11xD11224+(C11xD11):C2484,9


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