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Extensions 1→N→G→Q→1 with N=D5 and Q=2- 1+4

Direct product G=NxQ with N=D5 and Q=2- 1+4
dρLabelID
D5x2- 1+4808-D5xES-(2,2)320,1624


Non-split extensions G=N.Q with N=D5 and Q=2- 1+4
extensionφ:Q→Out NdρLabelID
D5.12- 1+4 = D5.2- 1+4φ: 2- 1+4/C2xQ8 → C2 ⊆ Out D5808-D5.1ES-(2,2)320,1600
D5.22- 1+4 = D5.2+ 1+4φ: 2- 1+4/C4oD4 → C2 ⊆ Out D5408D5.2ES-(2,2)320,1604

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