Extensions 1→N→G→Q→1 with N=C4 and Q=D25

Direct product G=N×Q with N=C4 and Q=D25
dρLabelID
C4×D251002C4xD25200,5

Semidirect products G=N:Q with N=C4 and Q=D25
extensionφ:Q→Aut NdρLabelID
C4⋊D25 = D100φ: D25/C25C2 ⊆ Aut C41002+C4:D25200,6

Non-split extensions G=N.Q with N=C4 and Q=D25
extensionφ:Q→Aut NdρLabelID
C4.D25 = Dic50φ: D25/C25C2 ⊆ Aut C42002-C4.D25200,4
C4.2D25 = C252C8central extension (φ=1)2002C4.2D25200,1

׿
×
𝔽