Extensions 1→N→G→Q→1 with N=Q8 and Q=C42

Direct product G=NxQ with N=Q8 and Q=C42
dρLabelID
Q8xC42128Q8xC4^2128,1004

Semidirect products G=N:Q with N=Q8 and Q=C42
extensionφ:Q→Out NdρLabelID
Q8:1C42 = C4xC4wrC2φ: C42/C2xC4C2 ⊆ Out Q832Q8:1C4^2128,490
Q8:2C42 = C4xQ8:C4φ: C42/C2xC4C2 ⊆ Out Q8128Q8:2C4^2128,493
Q8:3C42 = Q8:C42φ: C42/C2xC4C2 ⊆ Out Q8128Q8:3C4^2128,495
Q8:4C42 = Q8:4C42φ: trivial image128Q8:4C4^2128,1008

Non-split extensions G=N.Q with N=Q8 and Q=C42
extensionφ:Q→Out NdρLabelID
Q8.1C42 = D4.C42φ: C42/C2xC4C2 ⊆ Out Q832Q8.1C4^2128,491
Q8.2C42 = Q8.C42φ: C42/C2xC4C2 ⊆ Out Q832Q8.2C4^2128,496
Q8.3C42 = D4.3C42φ: C42/C2xC4C2 ⊆ Out Q832Q8.3C4^2128,497
Q8.4C42 = C4xC8oD4φ: trivial image64Q8.4C4^2128,1606
Q8.5C42 = D4.5C42φ: trivial image64Q8.5C4^2128,1607

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