Extensions 1→N→G→Q→1 with N=C4 and Q=D27

Direct product G=N×Q with N=C4 and Q=D27
dρLabelID
C4×D271082C4xD27216,5

Semidirect products G=N:Q with N=C4 and Q=D27
extensionφ:Q→Aut NdρLabelID
C4⋊D27 = D108φ: D27/C27C2 ⊆ Aut C41082+C4:D27216,6

Non-split extensions G=N.Q with N=C4 and Q=D27
extensionφ:Q→Aut NdρLabelID
C4.D27 = Dic54φ: D27/C27C2 ⊆ Aut C42162-C4.D27216,4
C4.2D27 = C27⋊C8central extension (φ=1)2162C4.2D27216,1

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