# Extensions 1→N→G→Q→1 with N=C2 and Q=D7×M4(2)

Direct product G=N×Q with N=C2 and Q=D7×M4(2)
dρLabelID
C2×D7×M4(2)112C2xD7xM4(2)448,1196

Non-split extensions G=N.Q with N=C2 and Q=D7×M4(2)
extensionφ:Q→Aut NdρLabelID
C2.1(D7×M4(2)) = D7×C8⋊C4central extension (φ=1)224C2.1(D7xM4(2))448,238
C2.2(D7×M4(2)) = Dic7.C42central extension (φ=1)224C2.2(D7xM4(2))448,241
C2.3(D7×M4(2)) = Dic7.5M4(2)central extension (φ=1)224C2.3(D7xM4(2))448,252
C2.4(D7×M4(2)) = D7×C22⋊C8central extension (φ=1)112C2.4(D7xM4(2))448,258
C2.5(D7×M4(2)) = D7×C4⋊C8central extension (φ=1)224C2.5(D7xM4(2))448,366
C2.6(D7×M4(2)) = C42.200D14central extension (φ=1)224C2.6(D7xM4(2))448,367
C2.7(D7×M4(2)) = M4(2)×Dic7central extension (φ=1)224C2.7(D7xM4(2))448,651
C2.8(D7×M4(2)) = C56⋊Q8central stem extension (φ=1)448C2.8(D7xM4(2))448,235
C2.9(D7×M4(2)) = C42.182D14central stem extension (φ=1)224C2.9(D7xM4(2))448,239
C2.10(D7×M4(2)) = C89D28central stem extension (φ=1)224C2.10(D7xM4(2))448,240
C2.11(D7×M4(2)) = Dic7.M4(2)central stem extension (φ=1)224C2.11(D7xM4(2))448,253
C2.12(D7×M4(2)) = D14⋊M4(2)central stem extension (φ=1)112C2.12(D7xM4(2))448,260
C2.13(D7×M4(2)) = D142M4(2)central stem extension (φ=1)224C2.13(D7xM4(2))448,262
C2.14(D7×M4(2)) = Dic7⋊M4(2)central stem extension (φ=1)224C2.14(D7xM4(2))448,263
C2.15(D7×M4(2)) = C42.27D14central stem extension (φ=1)448C2.15(D7xM4(2))448,362
C2.16(D7×M4(2)) = C42.202D14central stem extension (φ=1)224C2.16(D7xM4(2))448,369
C2.17(D7×M4(2)) = D143M4(2)central stem extension (φ=1)224C2.17(D7xM4(2))448,370
C2.18(D7×M4(2)) = C28⋊M4(2)central stem extension (φ=1)224C2.18(D7xM4(2))448,371
C2.19(D7×M4(2)) = Dic74M4(2)central stem extension (φ=1)224C2.19(D7xM4(2))448,652
C2.20(D7×M4(2)) = D146M4(2)central stem extension (φ=1)112C2.20(D7xM4(2))448,660
C2.21(D7×M4(2)) = C56⋊D4central stem extension (φ=1)224C2.21(D7xM4(2))448,661
C2.22(D7×M4(2)) = C5618D4central stem extension (φ=1)224C2.22(D7xM4(2))448,662

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