Extensions 1→N→G→Q→1 with N=C28⋊D4 and Q=C2

Direct product G=N×Q with N=C28⋊D4 and Q=C2
dρLabelID
C2×C28⋊D4224C2xC28:D4448,1256

Semidirect products G=N:Q with N=C28⋊D4 and Q=C2
extensionφ:Q→Out NdρLabelID
C28⋊D4⋊1C2 = D28⋊1D4φ: C2/C1 → C2 ⊆ Out C28⋊D4568+C28:D4:1C2448,281
C28⋊D4⋊2C2 = D28⋊3D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:2C2448,320
C28⋊D4⋊3C2 = Dic7⋊D8φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:3C2448,684
C28⋊D4⋊4C2 = C56⋊5D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:4C2448,685
C28⋊D4⋊5C2 = C56⋊11D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:5C2448,688
C28⋊D4⋊6C2 = C56⋊9D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:6C2448,710
C28⋊D4⋊7C2 = D28⋊18D4φ: C2/C1 → C2 ⊆ Out C28⋊D4568+C28:D4:7C2448,732
C28⋊D4⋊8C2 = 2+ 1+4⋊D7φ: C2/C1 → C2 ⊆ Out C28⋊D4568+C28:D4:8C2448,775
C28⋊D4⋊9C2 = Dic14⋊24D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:9C2448,1006
C28⋊D4⋊10C2 = C42.116D14φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:10C2448,1015
C28⋊D4⋊11C2 = C24⋊3D14φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:11C2448,1043
C28⋊D4⋊12C2 = C24.34D14φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:12C2448,1045
C28⋊D4⋊13C2 = C24.36D14φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:13C2448,1048
C28⋊D4⋊14C2 = C28⋊(C4○D4)φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:14C2448,1049
C28⋊D4⋊15C2 = Dic14⋊20D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:15C2448,1052
C28⋊D4⋊16C2 = C14.382+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:16C2448,1060
C28⋊D4⋊17C2 = D28⋊19D4φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:17C2448,1062
C28⋊D4⋊18C2 = C14.442+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:18C2448,1068
C28⋊D4⋊19C2 = C14.472+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:19C2448,1072
C28⋊D4⋊20C2 = C14.482+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:20C2448,1073
C28⋊D4⋊21C2 = C14.662+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:21C2448,1116
C28⋊D4⋊22C2 = C14.682+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:22C2448,1119
C28⋊D4⋊23C2 = C42.233D14φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:23C2448,1121
C28⋊D4⋊24C2 = C42⋊18D14φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:24C2448,1127
C28⋊D4⋊25C2 = D7×C4⋊1D4φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:25C2448,1167
C28⋊D4⋊26C2 = C42⋊26D14φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:26C2448,1168
C28⋊D4⋊27C2 = Dic14⋊11D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:27C2448,1171
C28⋊D4⋊28C2 = D4×C7⋊D4φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:28C2448,1254
C28⋊D4⋊29C2 = C24.41D14φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:29C2448,1258
C28⋊D4⋊30C2 = C14.1462+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4112C28:D4:30C2448,1283
C28⋊D4⋊31C2 = C14.1482+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4:31C2448,1287
C28⋊D4⋊32C2 = C42.228D14φ: trivial image224C28:D4:32C2448,1001
C28⋊D4⋊33C2 = (C2×C28)⋊17D4φ: trivial image224C28:D4:33C2448,1285

Non-split extensions G=N.Q with N=C28⋊D4 and Q=C2
extensionφ:Q→Out NdρLabelID
C28⋊D4.1C2 = C23.2D28φ: C2/C1 → C2 ⊆ Out C28⋊D4568+C28:D4.1C2448,31
C28⋊D4.2C2 = Dic7.SD16φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.2C2448,294
C28⋊D4.3C2 = Dic14⋊2D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.3C2448,296
C28⋊D4.4C2 = C4⋊C4.D14φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.4C2448,298
C28⋊D4.5C2 = Dic7⋊5SD16φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.5C2448,697
C28⋊D4.6C2 = C56⋊15D4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.6C2448,709
C28⋊D4.7C2 = C42.114D14φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.7C2448,1012
C28⋊D4.8C2 = C14.672+ 1+4φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.8C2448,1117
C28⋊D4.9C2 = C42.143D14φ: C2/C1 → C2 ⊆ Out C28⋊D4224C28:D4.9C2448,1134

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