Extensions 1→N→G→Q→1 with N=C219 and Q=C2

Direct product G=N×Q with N=C219 and Q=C2
dρLabelID
C4384381C438438,6

Semidirect products G=N:Q with N=C219 and Q=C2
extensionφ:Q→Aut NdρLabelID
C219⋊1C2 = D219φ: C2/C1 → C2 ⊆ Aut C2192192+C219:1C2438,5
C219⋊2C2 = C3×D73φ: C2/C1 → C2 ⊆ Aut C2192192C219:2C2438,4
C219⋊3C2 = S3×C73φ: C2/C1 → C2 ⊆ Aut C2192192C219:3C2438,3


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