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Extensions 1→N→G→Q→1 with N=C2 and Q=D42

Direct product G=N×Q with N=C2 and Q=D42
dρLabelID
C2×D4232C2xD4^2128,2194


Non-split extensions G=N.Q with N=C2 and Q=D42
extensionφ:Q→Aut NdρLabelID
C2.1(D42) = D4×C22⋊C4central extension (φ=1)32C2.1(D4^2)128,1070
C2.2(D42) = D4×C4⋊C4central extension (φ=1)64C2.2(D4^2)128,1080
C2.3(D42) = C23.240C24central extension (φ=1)32C2.3(D4^2)128,1090
C2.4(D42) = C23.243C24central extension (φ=1)64C2.4(D4^2)128,1093
C2.5(D42) = C23.248C24central extension (φ=1)64C2.5(D4^2)128,1098
C2.6(D42) = C24⋊7D4central stem extension (φ=1)32C2.6(D4^2)128,1135
C2.7(D42) = C23.308C24central stem extension (φ=1)32C2.7(D4^2)128,1140
C2.8(D42) = C24⋊8D4central stem extension (φ=1)32C2.8(D4^2)128,1142
C2.9(D42) = C24.251C23central stem extension (φ=1)64C2.9(D4^2)128,1148
C2.10(D42) = C23.318C24central stem extension (φ=1)32C2.10(D4^2)128,1150
C2.11(D42) = C24.256C23central stem extension (φ=1)64C2.11(D4^2)128,1154
C2.12(D42) = C23.324C24central stem extension (φ=1)32C2.12(D4^2)128,1156
C2.13(D42) = C23.328C24central stem extension (φ=1)64C2.13(D4^2)128,1160
C2.14(D42) = C23.333C24central stem extension (φ=1)32C2.14(D4^2)128,1165
C2.15(D42) = C24⋊4Q8central stem extension (φ=1)32C2.15(D4^2)128,1169
C2.16(D42) = C24.568C23central stem extension (φ=1)64C2.16(D4^2)128,1172
C2.17(D42) = C23.343C24central stem extension (φ=1)64C2.17(D4^2)128,1175
C2.18(D42) = C24.270C23central stem extension (φ=1)64C2.18(D4^2)128,1177
C2.19(D42) = C23.349C24central stem extension (φ=1)64C2.19(D4^2)128,1181
C2.20(D42) = C23.352C24central stem extension (φ=1)64C2.20(D4^2)128,1184
C2.21(D42) = C23.355C24central stem extension (φ=1)64C2.21(D4^2)128,1187
C2.22(D42) = C23.356C24central stem extension (φ=1)64C2.22(D4^2)128,1188
C2.23(D42) = C23.361C24central stem extension (φ=1)64C2.23(D4^2)128,1193
C2.24(D42) = C23.363C24central stem extension (φ=1)64C2.24(D4^2)128,1195
C2.25(D42) = C23.364C24central stem extension (φ=1)64C2.25(D4^2)128,1196
C2.26(D42) = C23.372C24central stem extension (φ=1)32C2.26(D4^2)128,1204
C2.27(D42) = C23.391C24central stem extension (φ=1)64C2.27(D4^2)128,1223
C2.28(D42) = C42⋊18D4central stem extension (φ=1)64C2.28(D4^2)128,1269
C2.29(D42) = C42⋊20D4central stem extension (φ=1)64C2.29(D4^2)128,1273
C2.30(D42) = C42⋊7Q8central stem extension (φ=1)128C2.30(D4^2)128,1283
C2.31(D42) = C23.455C24central stem extension (φ=1)64C2.31(D4^2)128,1287
C2.32(D42) = C23.568C24central stem extension (φ=1)32C2.32(D4^2)128,1400
C2.33(D42) = C23.569C24central stem extension (φ=1)32C2.33(D4^2)128,1401
C2.34(D42) = C23.570C24central stem extension (φ=1)32C2.34(D4^2)128,1402
C2.35(D42) = C23.571C24central stem extension (φ=1)64C2.35(D4^2)128,1403
C2.36(D42) = C23.572C24central stem extension (φ=1)64C2.36(D4^2)128,1404
C2.37(D42) = C23.573C24central stem extension (φ=1)64C2.37(D4^2)128,1405
C2.38(D42) = C23.574C24central stem extension (φ=1)64C2.38(D4^2)128,1406
C2.39(D42) = C24.384C23central stem extension (φ=1)64C2.39(D4^2)128,1407
C2.40(D42) = C23.576C24central stem extension (φ=1)64C2.40(D4^2)128,1408
C2.41(D42) = C23.577C24central stem extension (φ=1)64C2.41(D4^2)128,1409
C2.42(D42) = C23.578C24central stem extension (φ=1)32C2.42(D4^2)128,1410
C2.43(D42) = C25⋊C22central stem extension (φ=1)32C2.43(D4^2)128,1411
C2.44(D42) = C24.388C23central stem extension (φ=1)64C2.44(D4^2)128,1412
C2.45(D42) = C23.581C24central stem extension (φ=1)64C2.45(D4^2)128,1413
C2.46(D42) = C24.389C23central stem extension (φ=1)64C2.46(D4^2)128,1414
C2.47(D42) = C24.390C23central stem extension (φ=1)64C2.47(D4^2)128,1415
C2.48(D42) = D8⋊9D4central stem extension (φ=1)32C2.48(D4^2)128,1996
C2.49(D42) = SD16⋊D4central stem extension (φ=1)32C2.49(D4^2)128,1997
C2.50(D42) = SD16⋊6D4central stem extension (φ=1)32C2.50(D4^2)128,1998
C2.51(D42) = D8⋊10D4central stem extension (φ=1)32C2.51(D4^2)128,1999
C2.52(D42) = SD16⋊7D4central stem extension (φ=1)32C2.52(D4^2)128,2000
C2.53(D42) = SD16⋊8D4central stem extension (φ=1)64C2.53(D4^2)128,2001
C2.54(D42) = Q16⋊9D4central stem extension (φ=1)64C2.54(D4^2)128,2002
C2.55(D42) = Q16⋊10D4central stem extension (φ=1)64C2.55(D4^2)128,2003
C2.56(D42) = D8⋊4D4central stem extension (φ=1)32C2.56(D4^2)128,2004
C2.57(D42) = D8⋊5D4central stem extension (φ=1)32C2.57(D4^2)128,2005
C2.58(D42) = SD16⋊1D4central stem extension (φ=1)32C2.58(D4^2)128,2006
C2.59(D42) = SD16⋊2D4central stem extension (φ=1)32C2.59(D4^2)128,2007
C2.60(D42) = SD16⋊3D4central stem extension (φ=1)64C2.60(D4^2)128,2008
C2.61(D42) = Q16⋊4D4central stem extension (φ=1)64C2.61(D4^2)128,2009
C2.62(D42) = Q16⋊5D4central stem extension (φ=1)64C2.62(D4^2)128,2010
C2.63(D42) = D4×D8central stem extension (φ=1)32C2.63(D4^2)128,2011
C2.64(D42) = D8⋊12D4central stem extension (φ=1)32C2.64(D4^2)128,2012
C2.65(D42) = D4×SD16central stem extension (φ=1)32C2.65(D4^2)128,2013
C2.66(D42) = SD16⋊10D4central stem extension (φ=1)32C2.66(D4^2)128,2014
C2.67(D42) = D8⋊13D4central stem extension (φ=1)64C2.67(D4^2)128,2015
C2.68(D42) = SD16⋊11D4central stem extension (φ=1)64C2.68(D4^2)128,2016
C2.69(D42) = Q16⋊12D4central stem extension (φ=1)64C2.69(D4^2)128,2017
C2.70(D42) = D4×Q16central stem extension (φ=1)64C2.70(D4^2)128,2018
C2.71(D42) = Q16⋊13D4central stem extension (φ=1)64C2.71(D4^2)128,2019
C2.72(D42) = D8⋊11D4central stem extension (φ=1)168+C2.72(D4^2)128,2020
C2.73(D42) = D8.13D4central stem extension (φ=1)328-C2.73(D4^2)128,2021
C2.74(D42) = D8○SD16central stem extension (φ=1)324C2.74(D4^2)128,2022
C2.75(D42) = D8⋊6D4central stem extension (φ=1)164C2.75(D4^2)128,2023
C2.76(D42) = D8○D8central stem extension (φ=1)164+C2.76(D4^2)128,2024
C2.77(D42) = D8○Q16central stem extension (φ=1)324-C2.77(D4^2)128,2025

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