Extensions 1→N→G→Q→1 with N=C4 and Q=D57

Direct product G=NxQ with N=C4 and Q=D57
dρLabelID
C4xD572282C4xD57456,35

Semidirect products G=N:Q with N=C4 and Q=D57
extensionφ:Q→Aut NdρLabelID
C4:D57 = D228φ: D57/C57C2 ⊆ Aut C42282+C4:D57456,36

Non-split extensions G=N.Q with N=C4 and Q=D57
extensionφ:Q→Aut NdρLabelID
C4.D57 = Dic114φ: D57/C57C2 ⊆ Aut C44562-C4.D57456,34
C4.2D57 = C57:C8central extension (φ=1)4562C4.2D57456,5

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