Extensions 1→N→G→Q→1 with N=He3 and Q=C3

Direct product G=N×Q with N=He3 and Q=C3
dρLabelID
C3×He327C3xHe381,12

Semidirect products G=N:Q with N=He3 and Q=C3
extensionφ:Q→Out NdρLabelID
He31C3 = C3≀C3φ: C3/C1C3 ⊆ Out He393He3:1C381,7
He32C3 = He3⋊C3φ: C3/C1C3 ⊆ Out He3273He3:2C381,9

Non-split extensions G=N.Q with N=He3 and Q=C3
extensionφ:Q→Out NdρLabelID
He3.C3 = He3.C3φ: C3/C1C3 ⊆ Out He3273He3.C381,8
He3.2C3 = C9○He3φ: trivial image273He3.2C381,14

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