Extensions 1→N→G→Q→1 with N=3- 1+2 and Q=C3

Direct product G=N×Q with N=3- 1+2 and Q=C3
dρLabelID
C3×3- 1+227C3xES-(3,1)81,13

Semidirect products G=N:Q with N=3- 1+2 and Q=C3
extensionφ:Q→Out NdρLabelID
3- 1+21C3 = C3≀C3φ: C3/C1C3 ⊆ Out 3- 1+293ES-(3,1):1C381,7
3- 1+22C3 = He3.C3φ: C3/C1C3 ⊆ Out 3- 1+2273ES-(3,1):2C381,8
3- 1+23C3 = C9○He3φ: trivial image273ES-(3,1):3C381,14

Non-split extensions G=N.Q with N=3- 1+2 and Q=C3
extensionφ:Q→Out NdρLabelID
3- 1+2.C3 = C3.He3φ: C3/C1C3 ⊆ Out 3- 1+2273ES-(3,1).C381,10

׿
×
𝔽