Extensions 1→N→G→Q→1 with N=Dic10 and Q=C2

Direct product G=N×Q with N=Dic10 and Q=C2
dρLabelID
C2×Dic1080C2xDic1080,35

Semidirect products G=N:Q with N=Dic10 and Q=C2
extensionφ:Q→Out NdρLabelID
Dic101C2 = C40⋊C2φ: C2/C1C2 ⊆ Out Dic10402Dic10:1C280,6
Dic102C2 = D4.D5φ: C2/C1C2 ⊆ Out Dic10404-Dic10:2C280,16
Dic103C2 = D42D5φ: C2/C1C2 ⊆ Out Dic10404-Dic10:3C280,40
Dic104C2 = Q8×D5φ: C2/C1C2 ⊆ Out Dic10404-Dic10:4C280,41
Dic105C2 = C4○D20φ: trivial image402Dic10:5C280,38

Non-split extensions G=N.Q with N=Dic10 and Q=C2
extensionφ:Q→Out NdρLabelID
Dic10.1C2 = Dic20φ: C2/C1C2 ⊆ Out Dic10802-Dic10.1C280,8
Dic10.2C2 = C5⋊Q16φ: C2/C1C2 ⊆ Out Dic10804-Dic10.2C280,18

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