Extensions 1→N→G→Q→1 with N=D78 and Q=C2

Direct product G=N×Q with N=D78 and Q=C2
dρLabelID
C22×D39156C2^2xD39312,60

Semidirect products G=N:Q with N=D78 and Q=C2
extensionφ:Q→Out NdρLabelID
D781C2 = D156φ: C2/C1C2 ⊆ Out D781562+D78:1C2312,39
D782C2 = C397D4φ: C2/C1C2 ⊆ Out D781562D78:2C2312,41
D783C2 = C3⋊D52φ: C2/C1C2 ⊆ Out D781564+D78:3C2312,19
D784C2 = C13⋊D12φ: C2/C1C2 ⊆ Out D781564+D78:4C2312,20
D785C2 = C2×S3×D13φ: C2/C1C2 ⊆ Out D78784+D78:5C2312,54

Non-split extensions G=N.Q with N=D78 and Q=C2
extensionφ:Q→Out NdρLabelID
D78.C2 = D78.C2φ: C2/C1C2 ⊆ Out D781564+D78.C2312,17
D78.2C2 = C4×D39φ: trivial image1562D78.2C2312,38

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