Extensions 1→N→G→Q→1 with N=C72 and Q=C2

Direct product G=N×Q with N=C72 and Q=C2
dρLabelID
C2×C72144C2xC72144,23

Semidirect products G=N:Q with N=C72 and Q=C2
extensionφ:Q→Aut NdρLabelID
C721C2 = D72φ: C2/C1C2 ⊆ Aut C72722+C72:1C2144,8
C722C2 = C72⋊C2φ: C2/C1C2 ⊆ Aut C72722C72:2C2144,7
C723C2 = C8×D9φ: C2/C1C2 ⊆ Aut C72722C72:3C2144,5
C724C2 = C8⋊D9φ: C2/C1C2 ⊆ Aut C72722C72:4C2144,6
C725C2 = C9×D8φ: C2/C1C2 ⊆ Aut C72722C72:5C2144,25
C726C2 = C9×SD16φ: C2/C1C2 ⊆ Aut C72722C72:6C2144,26
C727C2 = C9×M4(2)φ: C2/C1C2 ⊆ Aut C72722C72:7C2144,24

Non-split extensions G=N.Q with N=C72 and Q=C2
extensionφ:Q→Aut NdρLabelID
C72.1C2 = Dic36φ: C2/C1C2 ⊆ Aut C721442-C72.1C2144,4
C72.2C2 = C9⋊C16φ: C2/C1C2 ⊆ Aut C721442C72.2C2144,1
C72.3C2 = C9×Q16φ: C2/C1C2 ⊆ Aut C721442C72.3C2144,27

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