Extensions 1→N→G→Q→1 with N=C2 and Q=C22×D7

Direct product G=N×Q with N=C2 and Q=C22×D7

Non-split extensions G=N.Q with N=C2 and Q=C22×D7
extensionφ:Q→Aut NdρLabelID
C2.1(C22×D7) = C2×C4×D7central extension (φ=1)56C2.1(C2^2xD7)112,28
C2.2(C22×D7) = C22×Dic7central extension (φ=1)112C2.2(C2^2xD7)112,35
C2.3(C22×D7) = C2×Dic14central stem extension (φ=1)112C2.3(C2^2xD7)112,27
C2.4(C22×D7) = C2×D28central stem extension (φ=1)56C2.4(C2^2xD7)112,29
C2.5(C22×D7) = C4○D28central stem extension (φ=1)562C2.5(C2^2xD7)112,30
C2.6(C22×D7) = D4×D7central stem extension (φ=1)284+C2.6(C2^2xD7)112,31
C2.7(C22×D7) = D42D7central stem extension (φ=1)564-C2.7(C2^2xD7)112,32
C2.8(C22×D7) = Q8×D7central stem extension (φ=1)564-C2.8(C2^2xD7)112,33
C2.9(C22×D7) = Q82D7central stem extension (φ=1)564+C2.9(C2^2xD7)112,34
C2.10(C22×D7) = C2×C7⋊D4central stem extension (φ=1)56C2.10(C2^2xD7)112,36