Extensions 1→N→G→Q→1 with N=C42 and Q=C8

Direct product G=N×Q with N=C42 and Q=C8
dρLabelID
C42×C8128C4^2xC8128,456

Semidirect products G=N:Q with N=C42 and Q=C8
extensionφ:Q→Aut NdρLabelID
C42⋊1C8 = C42⋊1C8φ: C8/C2 → C4 ⊆ Aut C4232C4^2:1C8128,6
C42⋊2C8 = C42⋊C8φ: C8/C2 → C4 ⊆ Aut C4232C4^2:2C8128,56
C42⋊3C8 = C42⋊3C8φ: C8/C2 → C4 ⊆ Aut C4232C4^2:3C8128,57
C42⋊4C8 = C42⋊4C8φ: C8/C4 → C2 ⊆ Aut C42128C4^2:4C8128,476
C42⋊5C8 = C42⋊5C8φ: C8/C4 → C2 ⊆ Aut C42128C4^2:5C8128,571
C42⋊6C8 = C42⋊6C8φ: C8/C4 → C2 ⊆ Aut C4232C4^2:6C8128,8
C42⋊7C8 = C4×C4⋊C8φ: C8/C4 → C2 ⊆ Aut C42128C4^2:7C8128,498
C42⋊8C8 = C42⋊8C8φ: C8/C4 → C2 ⊆ Aut C42128C4^2:8C8128,563
C42⋊9C8 = C42⋊9C8φ: C8/C4 → C2 ⊆ Aut C42128C4^2:9C8128,574

Non-split extensions G=N.Q with N=C42 and Q=C8
extensionφ:Q→Aut NdρLabelID
C42.1C8 = C42.C8φ: C8/C2 → C4 ⊆ Aut C42164C4^2.1C8128,59
C42.2C8 = C42.2C8φ: C8/C2 → C4 ⊆ Aut C4232C4^2.2C8128,107
C42.3C8 = C32⋊C4φ: C8/C2 → C4 ⊆ Aut C42324C4^2.3C8128,130
C42.4C8 = C32⋊5C4φ: C8/C4 → C2 ⊆ Aut C42128C4^2.4C8128,129
C42.5C8 = C2×C16⋊5C4φ: C8/C4 → C2 ⊆ Aut C42128C4^2.5C8128,838
C42.6C8 = C42.6C8φ: C8/C4 → C2 ⊆ Aut C4264C4^2.6C8128,895
C42.7C8 = C42.7C8φ: C8/C4 → C2 ⊆ Aut C4232C4^2.7C8128,108
C42.8C8 = C4⋊C32φ: C8/C4 → C2 ⊆ Aut C42128C4^2.8C8128,153
C42.9C8 = C8.C16φ: C8/C4 → C2 ⊆ Aut C42322C4^2.9C8128,154
C42.10C8 = C4×M5(2)φ: C8/C4 → C2 ⊆ Aut C4264C4^2.10C8128,839
C42.11C8 = C2×C4⋊C16φ: C8/C4 → C2 ⊆ Aut C42128C4^2.11C8128,881
C42.12C8 = C4⋊M5(2)φ: C8/C4 → C2 ⊆ Aut C4264C4^2.12C8128,882
C42.13C8 = C42.13C8φ: C8/C4 → C2 ⊆ Aut C4264C4^2.13C8128,894

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