Extensions 1→N→G→Q→1 with N=C22 and Q=C9:C12

Direct product G=NxQ with N=C22 and Q=C9:C12
dρLabelID
C22xC9:C12144C2^2xC9:C12432,378

Semidirect products G=N:Q with N=C22 and Q=C9:C12
extensionφ:Q→Aut NdρLabelID
C22:(C9:C12) = C62.Dic3φ: C9:C12/C3xC6S3 ⊆ Aut C22366-C2^2:(C9:C12)432,249
C22:2(C9:C12) = Dic9:A4φ: C9:C12/Dic9C3 ⊆ Aut C221086-C2^2:2(C9:C12)432,265
C22:3(C9:C12) = C62.27D6φ: C9:C12/C2x3- 1+2C2 ⊆ Aut C2272C2^2:3(C9:C12)432,167

Non-split extensions G=N.Q with N=C22 and Q=C9:C12
extensionφ:Q→Aut NdρLabelID
C22.(C9:C12) = C36.C12φ: C9:C12/C2x3- 1+2C2 ⊆ Aut C22726C2^2.(C9:C12)432,143
C22.2(C9:C12) = C2xC9:C24central extension (φ=1)144C2^2.2(C9:C12)432,142

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