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Extensions 1→N→G→Q→1 with N=C9 and Q=C4:D4

Direct product G=NxQ with N=C9 and Q=C4:D4
dρLabelID
C9xC4:D4144C9xC4:D4288,171

Semidirect products G=N:Q with N=C9 and Q=C4:D4
extensionφ:Q→Aut NdρLabelID
C9:1(C4:D4) = D18:D4φ: C4:D4/C22:C4 → C2 ⊆ Aut C9144C9:1(C4:D4)288,94
C9:2(C4:D4) = C4:D36φ: C4:D4/C4:C4 → C2 ⊆ Aut C9144C9:2(C4:D4)288,105
C9:3(C4:D4) = C36:7D4φ: C4:D4/C22xC4 → C2 ⊆ Aut C9144C9:3(C4:D4)288,140
C9:4(C4:D4) = C36:2D4φ: C4:D4/C2xD4 → C2 ⊆ Aut C9144C9:4(C4:D4)288,148
C9:5(C4:D4) = Dic9:D4φ: C4:D4/C2xD4 → C2 ⊆ Aut C9144C9:5(C4:D4)288,149


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