Extensions 1→N→G→Q→1 with N=D15 and Q=D4

Direct product G=NxQ with N=D15 and Q=D4
dρLabelID
D4xD15604+D4xD15240,179

Semidirect products G=N:Q with N=D15 and Q=D4
extensionφ:Q→Out NdρLabelID
D15:1D4 = C20:D6φ: D4/C4C2 ⊆ Out D15604D15:1D4240,138
D15:2D4 = D10:D6φ: D4/C22C2 ⊆ Out D15604+D15:2D4240,151


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