# Extensions 1→N→G→Q→1 with N=C2 and Q=C7×C22≀C2

Direct product G=N×Q with N=C2 and Q=C7×C22≀C2
dρLabelID
C14×C22≀C2112C14xC2^2wrC2448,1304

Non-split extensions G=N.Q with N=C2 and Q=C7×C22≀C2
extensionφ:Q→Aut NdρLabelID
C2.1(C7×C22≀C2) = C7×C243C4central extension (φ=1)112C2.1(C7xC2^2wrC2)448,787
C2.2(C7×C22≀C2) = C7×C23.8Q8central extension (φ=1)224C2.2(C7xC2^2wrC2)448,793
C2.3(C7×C22≀C2) = C7×C23.23D4central extension (φ=1)224C2.3(C7xC2^2wrC2)448,794
C2.4(C7×C22≀C2) = C7×C232D4central stem extension (φ=1)224C2.4(C7xC2^2wrC2)448,800
C2.5(C7×C22≀C2) = C7×C23⋊Q8central stem extension (φ=1)224C2.5(C7xC2^2wrC2)448,801
C2.6(C7×C22≀C2) = C7×C23.10D4central stem extension (φ=1)224C2.6(C7xC2^2wrC2)448,802
C2.7(C7×C22≀C2) = C7×C23.78C23central stem extension (φ=1)448C2.7(C7xC2^2wrC2)448,803
C2.8(C7×C22≀C2) = C7×C22⋊D8central stem extension (φ=1)112C2.8(C7xC2^2wrC2)448,855
C2.9(C7×C22≀C2) = C7×Q8⋊D4central stem extension (φ=1)224C2.9(C7xC2^2wrC2)448,856
C2.10(C7×C22≀C2) = C7×D4⋊D4central stem extension (φ=1)224C2.10(C7xC2^2wrC2)448,857
C2.11(C7×C22≀C2) = C7×C22⋊SD16central stem extension (φ=1)112C2.11(C7xC2^2wrC2)448,858
C2.12(C7×C22≀C2) = C7×C22⋊Q16central stem extension (φ=1)224C2.12(C7xC2^2wrC2)448,859
C2.13(C7×C22≀C2) = C7×D4.7D4central stem extension (φ=1)224C2.13(C7xC2^2wrC2)448,860
C2.14(C7×C22≀C2) = C7×D44D4central stem extension (φ=1)564C2.14(C7xC2^2wrC2)448,861
C2.15(C7×C22≀C2) = C7×D4.8D4central stem extension (φ=1)1124C2.15(C7xC2^2wrC2)448,862
C2.16(C7×C22≀C2) = C7×D4.9D4central stem extension (φ=1)1124C2.16(C7xC2^2wrC2)448,863
C2.17(C7×C22≀C2) = C7×D4.10D4central stem extension (φ=1)1124C2.17(C7xC2^2wrC2)448,864
C2.18(C7×C22≀C2) = C7×C2≀C22central stem extension (φ=1)564C2.18(C7xC2^2wrC2)448,865
C2.19(C7×C22≀C2) = C7×C23.7D4central stem extension (φ=1)1124C2.19(C7xC2^2wrC2)448,866

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