Extensions 1→N→G→Q→1 with N=Dic41 and Q=C2

Direct product G=N×Q with N=Dic41 and Q=C2
dρLabelID
C2×Dic41328C2xDic41328,7

Semidirect products G=N:Q with N=Dic41 and Q=C2
extensionφ:Q→Out NdρLabelID
Dic41⋊C2 = C41⋊D4φ: C2/C1C2 ⊆ Out Dic411642Dic41:C2328,8
Dic412C2 = C4×D41φ: trivial image1642Dic41:2C2328,5

Non-split extensions G=N.Q with N=Dic41 and Q=C2
extensionφ:Q→Out NdρLabelID
Dic41.1C2 = Dic82φ: C2/C1C2 ⊆ Out Dic413282-Dic41.1C2328,4
Dic41.2C2 = C412C8φ: C2/C1C2 ⊆ Out Dic413284-Dic41.2C2328,3

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