Extensions 1→N→G→Q→1 with N=C9 and Q=M4(2)

Direct product G=NxQ with N=C9 and Q=M4(2)
dρLabelID
C9xM4(2)722C9xM4(2)144,24

Semidirect products G=N:Q with N=C9 and Q=M4(2)
extensionφ:Q→Aut NdρLabelID
C9:1M4(2) = C8:D9φ: M4(2)/C8C2 ⊆ Aut C9722C9:1M4(2)144,6
C9:2M4(2) = C4.Dic9φ: M4(2)/C2xC4C2 ⊆ Aut C9722C9:2M4(2)144,10


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