Extensions 1→N→G→Q→1 with N=C12 and Q=D17

Direct product G=N×Q with N=C12 and Q=D17
dρLabelID
C12×D172042C12xD17408,16

Semidirect products G=N:Q with N=C12 and Q=D17
extensionφ:Q→Aut NdρLabelID
C121D17 = D204φ: D17/C17C2 ⊆ Aut C122042+C12:1D17408,27
C122D17 = C4×D51φ: D17/C17C2 ⊆ Aut C122042C12:2D17408,26
C123D17 = C3×D68φ: D17/C17C2 ⊆ Aut C122042C12:3D17408,17

Non-split extensions G=N.Q with N=C12 and Q=D17
extensionφ:Q→Aut NdρLabelID
C12.1D17 = Dic102φ: D17/C17C2 ⊆ Aut C124082-C12.1D17408,25
C12.2D17 = C515C8φ: D17/C17C2 ⊆ Aut C124082C12.2D17408,3
C12.3D17 = C3×Dic34φ: D17/C17C2 ⊆ Aut C124082C12.3D17408,15
C12.4D17 = C3×C173C8central extension (φ=1)4082C12.4D17408,2

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