Extensions 1→N→G→Q→1 with N=C22 and Q=D5

Direct product G=N×Q with N=C22 and Q=D5
dρLabelID
D5×C221102D5xC22220,13

Semidirect products G=N:Q with N=C22 and Q=D5
extensionφ:Q→Aut NdρLabelID
C22⋊D5 = D110φ: D5/C5C2 ⊆ Aut C221102+C22:D5220,14

Non-split extensions G=N.Q with N=C22 and Q=D5
extensionφ:Q→Aut NdρLabelID
C22.D5 = Dic55φ: D5/C5C2 ⊆ Aut C222202-C22.D5220,5
C22.2D5 = C11×Dic5central extension (φ=1)2202C22.2D5220,3

׿
×
𝔽