# Extensions 1→N→G→Q→1 with N=C2 and Q=C22×SD16

Direct product G=N×Q with N=C2 and Q=C22×SD16
dρLabelID
C23×SD1664C2^3xSD16128,2307

Non-split extensions G=N.Q with N=C2 and Q=C22×SD16
extensionφ:Q→Aut NdρLabelID
C2.1(C22×SD16) = C22×D4⋊C4central extension (φ=1)64C2.1(C2^2xSD16)128,1622
C2.2(C22×SD16) = C22×Q8⋊C4central extension (φ=1)128C2.2(C2^2xSD16)128,1623
C2.3(C22×SD16) = C22×C4.Q8central extension (φ=1)128C2.3(C2^2xSD16)128,1639
C2.4(C22×SD16) = C2×C4×SD16central extension (φ=1)64C2.4(C2^2xSD16)128,1669
C2.5(C22×SD16) = C2×C22⋊SD16central stem extension (φ=1)32C2.5(C2^2xSD16)128,1729
C2.6(C22×SD16) = C2×Q8⋊D4central stem extension (φ=1)64C2.6(C2^2xSD16)128,1730
C2.7(C22×SD16) = C2×D4.D4central stem extension (φ=1)64C2.7(C2^2xSD16)128,1762
C2.8(C22×SD16) = C2×C4⋊SD16central stem extension (φ=1)64C2.8(C2^2xSD16)128,1764
C2.9(C22×SD16) = C2×C88D4central stem extension (φ=1)64C2.9(C2^2xSD16)128,1779
C2.10(C22×SD16) = C2×D42Q8central stem extension (φ=1)64C2.10(C2^2xSD16)128,1803
C2.11(C22×SD16) = C2×Q8⋊Q8central stem extension (φ=1)128C2.11(C2^2xSD16)128,1805
C2.12(C22×SD16) = C2×C23.47D4central stem extension (φ=1)64C2.12(C2^2xSD16)128,1818
C2.13(C22×SD16) = C2×C23.46D4central stem extension (φ=1)64C2.13(C2^2xSD16)128,1821
C2.14(C22×SD16) = C42.222D4central stem extension (φ=1)32C2.14(C2^2xSD16)128,1833
C2.15(C22×SD16) = C42.223D4central stem extension (φ=1)64C2.15(C2^2xSD16)128,1835
C2.16(C22×SD16) = C2×C4.4D8central stem extension (φ=1)64C2.16(C2^2xSD16)128,1860
C2.17(C22×SD16) = C2×C4.SD16central stem extension (φ=1)128C2.17(C2^2xSD16)128,1861
C2.18(C22×SD16) = C2×C85D4central stem extension (φ=1)64C2.18(C2^2xSD16)128,1875
C2.19(C22×SD16) = C2×C83Q8central stem extension (φ=1)128C2.19(C2^2xSD16)128,1889
C2.20(C22×SD16) = C42.365D4central stem extension (φ=1)64C2.20(C2^2xSD16)128,1899
C2.21(C22×SD16) = C234SD16central stem extension (φ=1)32C2.21(C2^2xSD16)128,1919
C2.22(C22×SD16) = C42.264D4central stem extension (φ=1)64C2.22(C2^2xSD16)128,1938
C2.23(C22×SD16) = C42.266D4central stem extension (φ=1)32C2.23(C2^2xSD16)128,1940
C2.24(C22×SD16) = C42.279D4central stem extension (φ=1)64C2.24(C2^2xSD16)128,1959
C2.25(C22×SD16) = C42.281D4central stem extension (φ=1)64C2.25(C2^2xSD16)128,1961
C2.26(C22×SD16) = C42.294D4central stem extension (φ=1)64C2.26(C2^2xSD16)128,1978
C2.27(C22×SD16) = D4×SD16central stem extension (φ=1)32C2.27(C2^2xSD16)128,2013
C2.28(C22×SD16) = D47SD16central stem extension (φ=1)32C2.28(C2^2xSD16)128,2027
C2.29(C22×SD16) = D48SD16central stem extension (φ=1)64C2.29(C2^2xSD16)128,2030
C2.30(C22×SD16) = D49SD16central stem extension (φ=1)64C2.30(C2^2xSD16)128,2067
C2.31(C22×SD16) = Q87SD16central stem extension (φ=1)64C2.31(C2^2xSD16)128,2091
C2.32(C22×SD16) = Q88SD16central stem extension (φ=1)64C2.32(C2^2xSD16)128,2094
C2.33(C22×SD16) = Q8×SD16central stem extension (φ=1)64C2.33(C2^2xSD16)128,2111
C2.34(C22×SD16) = Q89SD16central stem extension (φ=1)64C2.34(C2^2xSD16)128,2124

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