Extensions 1→N→G→Q→1 with N=D4 and Q=D17

Direct product G=N×Q with N=D4 and Q=D17
dρLabelID
D4×D17684+D4xD17272,40

Semidirect products G=N:Q with N=D4 and Q=D17
extensionφ:Q→Out NdρLabelID
D4⋊D17 = D4⋊D17φ: D17/C17C2 ⊆ Out D41364+D4:D17272,15
D42D17 = D42D17φ: trivial image1364-D4:2D17272,41

Non-split extensions G=N.Q with N=D4 and Q=D17
extensionφ:Q→Out NdρLabelID
D4.D17 = D4.D17φ: D17/C17C2 ⊆ Out D41364-D4.D17272,16

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