Extensions 1→N→G→Q→1 with N=C22 and Q=Dic25

Direct product G=N×Q with N=C22 and Q=Dic25
dρLabelID
C22×Dic25400C2^2xDic25400,43

Semidirect products G=N:Q with N=C22 and Q=Dic25
extensionφ:Q→Aut NdρLabelID
C22⋊Dic25 = C23.D25φ: Dic25/C50C2 ⊆ Aut C22200C2^2:Dic25400,19

Non-split extensions G=N.Q with N=C22 and Q=Dic25
extensionφ:Q→Aut NdρLabelID
C22.Dic25 = C4.Dic25φ: Dic25/C50C2 ⊆ Aut C222002C2^2.Dic25400,10
C22.2Dic25 = C2×C252C8central extension (φ=1)400C2^2.2Dic25400,9

׿
×
𝔽