Extensions 1→N→G→Q→1 with N=C22 and Q=C7:C9

Direct product G=NxQ with N=C22 and Q=C7:C9
dρLabelID
C22xC7:C9252C2^2xC7:C9252,9

Semidirect products G=N:Q with N=C22 and Q=C7:C9
extensionφ:Q→Aut NdρLabelID
C22:(C7:C9) = C21.A4φ: C7:C9/C21C3 ⊆ Aut C221263C2^2:(C7:C9)252,11


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