Extensions 1→N→G→Q→1 with N=C108 and Q=C4

Direct product G=N×Q with N=C108 and Q=C4
dρLabelID
C4×C108432C4xC108432,20

Semidirect products G=N:Q with N=C108 and Q=C4
extensionφ:Q→Aut NdρLabelID
C1081C4 = C4⋊Dic27φ: C4/C2C2 ⊆ Aut C108432C108:1C4432,13
C1082C4 = C4×Dic27φ: C4/C2C2 ⊆ Aut C108432C108:2C4432,11
C1083C4 = C4⋊C4×C27φ: C4/C2C2 ⊆ Aut C108432C108:3C4432,22

Non-split extensions G=N.Q with N=C108 and Q=C4
extensionφ:Q→Aut NdρLabelID
C108.1C4 = C4.Dic27φ: C4/C2C2 ⊆ Aut C1082162C108.1C4432,10
C108.2C4 = C27⋊C16φ: C4/C2C2 ⊆ Aut C1084322C108.2C4432,1
C108.3C4 = C2×C27⋊C8φ: C4/C2C2 ⊆ Aut C108432C108.3C4432,9
C108.4C4 = M4(2)×C27φ: C4/C2C2 ⊆ Aut C1082162C108.4C4432,24

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