Extensions 1→N→G→Q→1 with N=C2 and Q=C157D4

Direct product G=N×Q with N=C2 and Q=C157D4
dρLabelID
C2×C157D4120C2xC15:7D4240,184


Non-split extensions G=N.Q with N=C2 and Q=C157D4
extensionφ:Q→Aut NdρLabelID
C2.1(C157D4) = C30.4Q8central extension (φ=1)240C2.1(C15:7D4)240,73
C2.2(C157D4) = D303C4central extension (φ=1)120C2.2(C15:7D4)240,75
C2.3(C157D4) = C30.38D4central extension (φ=1)120C2.3(C15:7D4)240,80
C2.4(C157D4) = D4⋊D15central stem extension (φ=1)1204+C2.4(C15:7D4)240,76
C2.5(C157D4) = D4.D15central stem extension (φ=1)1204-C2.5(C15:7D4)240,77
C2.6(C157D4) = Q82D15central stem extension (φ=1)1204+C2.6(C15:7D4)240,78
C2.7(C157D4) = C157Q16central stem extension (φ=1)2404-C2.7(C15:7D4)240,79

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