Extensions 1→N→G→Q→1 with N=Dic25 and Q=C4

Direct product G=N×Q with N=Dic25 and Q=C4
dρLabelID
C4×Dic25400C4xDic25400,11

Semidirect products G=N:Q with N=Dic25 and Q=C4
extensionφ:Q→Out NdρLabelID
Dic251C4 = C50.D4φ: C4/C2C2 ⊆ Out Dic25400Dic25:1C4400,12
Dic252C4 = C4×C25⋊C4φ: C4/C2C2 ⊆ Out Dic251004Dic25:2C4400,30
Dic253C4 = C100⋊C4φ: C4/C2C2 ⊆ Out Dic251004Dic25:3C4400,31

Non-split extensions G=N.Q with N=Dic25 and Q=C4
extensionφ:Q→Out NdρLabelID
Dic25.1C4 = C8⋊D25φ: C4/C2C2 ⊆ Out Dic252002Dic25.1C4400,6
Dic25.2C4 = C2×C25⋊C8φ: C4/C2C2 ⊆ Out Dic25400Dic25.2C4400,32
Dic25.3C4 = C25⋊M4(2)φ: C4/C2C2 ⊆ Out Dic252004-Dic25.3C4400,33
Dic25.4C4 = C8×D25φ: trivial image2002Dic25.4C4400,5

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