Extensions 1→N→G→Q→1 with N=C2 and Q=C405C4

Direct product G=N×Q with N=C2 and Q=C405C4
dρLabelID
C2×C405C4320C2xC40:5C4320,732


Non-split extensions G=N.Q with N=C2 and Q=C405C4
extensionφ:Q→Aut NdρLabelID
C2.1(C405C4) = C405C8central extension (φ=1)320C2.1(C40:5C4)320,16
C2.2(C405C4) = C20.39C42central extension (φ=1)320C2.2(C40:5C4)320,109
C2.3(C405C4) = C8013C4central stem extension (φ=1)320C2.3(C40:5C4)320,62
C2.4(C405C4) = C8014C4central stem extension (φ=1)320C2.4(C40:5C4)320,63
C2.5(C405C4) = C80.6C4central stem extension (φ=1)1602C2.5(C40:5C4)320,64

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