Extensions 1→N→G→Q→1 with N=3- 1+2 and Q=C15

Direct product G=N×Q with N=3- 1+2 and Q=C15
dρLabelID
C15×3- 1+2135C15xES-(3,1)405,13

Semidirect products G=N:Q with N=3- 1+2 and Q=C15
extensionφ:Q→Out NdρLabelID
3- 1+21C15 = C5×C3≀C3φ: C15/C5C3 ⊆ Out 3- 1+2453ES-(3,1):1C15405,7
3- 1+22C15 = C5×He3.C3φ: C15/C5C3 ⊆ Out 3- 1+21353ES-(3,1):2C15405,8
3- 1+23C15 = C5×C9○He3φ: trivial image1353ES-(3,1):3C15405,14

Non-split extensions G=N.Q with N=3- 1+2 and Q=C15
extensionφ:Q→Out NdρLabelID
3- 1+2.C15 = C5×C3.He3φ: C15/C5C3 ⊆ Out 3- 1+21353ES-(3,1).C15405,10

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