Extensions 1→N→G→Q→1 with N=C4 and Q=D17

Direct product G=N×Q with N=C4 and Q=D17
dρLabelID
C4×D17682C4xD17136,5

Semidirect products G=N:Q with N=C4 and Q=D17
extensionφ:Q→Aut NdρLabelID
C4⋊D17 = D68φ: D17/C17C2 ⊆ Aut C4682+C4:D17136,6

Non-split extensions G=N.Q with N=C4 and Q=D17
extensionφ:Q→Aut NdρLabelID
C4.D17 = Dic34φ: D17/C17C2 ⊆ Aut C41362-C4.D17136,4
C4.2D17 = C173C8central extension (φ=1)1362C4.2D17136,1

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