Extensions 1→N→G→Q→1 with N=D27 and Q=C9

Direct product G=NxQ with N=D27 and Q=C9
dρLabelID
C9xD27542C9xD27486,13

Semidirect products G=N:Q with N=D27 and Q=C9
extensionφ:Q→Out NdρLabelID
D27:C9 = C27:C18φ: C9/C1C9 ⊆ Out D272718+D27:C9486,31
D27:2C9 = C27:3C18φ: C9/C3C3 ⊆ Out D27546D27:2C9486,15


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