Extensions 1→N→G→Q→1 with N=C28 and Q=C4

Direct product G=N×Q with N=C28 and Q=C4
dρLabelID
C4×C28112C4xC28112,19

Semidirect products G=N:Q with N=C28 and Q=C4
extensionφ:Q→Aut NdρLabelID
C281C4 = C4⋊Dic7φ: C4/C2C2 ⊆ Aut C28112C28:1C4112,12
C282C4 = C4×Dic7φ: C4/C2C2 ⊆ Aut C28112C28:2C4112,10
C283C4 = C7×C4⋊C4φ: C4/C2C2 ⊆ Aut C28112C28:3C4112,21

Non-split extensions G=N.Q with N=C28 and Q=C4
extensionφ:Q→Aut NdρLabelID
C28.1C4 = C4.Dic7φ: C4/C2C2 ⊆ Aut C28562C28.1C4112,9
C28.2C4 = C7⋊C16φ: C4/C2C2 ⊆ Aut C281122C28.2C4112,1
C28.3C4 = C2×C7⋊C8φ: C4/C2C2 ⊆ Aut C28112C28.3C4112,8
C28.4C4 = C7×M4(2)φ: C4/C2C2 ⊆ Aut C28562C28.4C4112,23

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