Extensions 1→N→G→Q→1 with N=C18 and Q=C22

Direct product G=NxQ with N=C18 and Q=C22
dρLabelID
C22xC1872C2^2xC1872,18

Semidirect products G=N:Q with N=C18 and Q=C22
extensionφ:Q→Aut NdρLabelID
C18:C22 = C22xD9φ: C22/C2C2 ⊆ Aut C1836C18:C2^272,17

Non-split extensions G=N.Q with N=C18 and Q=C22
extensionφ:Q→Aut NdρLabelID
C18.1C22 = Dic18φ: C22/C2C2 ⊆ Aut C18722-C18.1C2^272,4
C18.2C22 = C4xD9φ: C22/C2C2 ⊆ Aut C18362C18.2C2^272,5
C18.3C22 = D36φ: C22/C2C2 ⊆ Aut C18362+C18.3C2^272,6
C18.4C22 = C2xDic9φ: C22/C2C2 ⊆ Aut C1872C18.4C2^272,7
C18.5C22 = C9:D4φ: C22/C2C2 ⊆ Aut C18362C18.5C2^272,8
C18.6C22 = D4xC9central extension (φ=1)362C18.6C2^272,10
C18.7C22 = Q8xC9central extension (φ=1)722C18.7C2^272,11

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