Extensions 1→N→G→Q→1 with N=C4 and Q=D41

Direct product G=N×Q with N=C4 and Q=D41
dρLabelID
C4×D411642C4xD41328,5

Semidirect products G=N:Q with N=C4 and Q=D41
extensionφ:Q→Aut NdρLabelID
C4⋊D41 = D164φ: D41/C41 → C2 ⊆ Aut C41642+C4:D41328,6

Non-split extensions G=N.Q with N=C4 and Q=D41
extensionφ:Q→Aut NdρLabelID
C4.D41 = Dic82φ: D41/C41 → C2 ⊆ Aut C43282-C4.D41328,4
C4.2D41 = C41⋊3C8central extension (φ=1)3282C4.2D41328,1

׿
×
⋊
ℤ
𝔽
○
≀
ℚ
◁