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Extensions 1→N→G→Q→1 with N=C9 and Q=2- 1+4

Direct product G=N×Q with N=C9 and Q=2- 1+4
dρLabelID
C9×2- 1+41444C9xES-(2,2)288,372

Semidirect products G=N:Q with N=C9 and Q=2- 1+4
extensionφ:Q→Aut NdρLabelID
C9⋊12- 1+4 = Q8.15D18φ: 2- 1+4/C2×Q8 → C2 ⊆ Aut C91444C9:1ES-(2,2)288,361
C9⋊22- 1+4 = D4.10D18φ: 2- 1+4/C4○D4 → C2 ⊆ Aut C91444-C9:2ES-(2,2)288,364


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