Extensions 1→N→G→Q→1 with N=C42 and Q=C20

Direct product G=N×Q with N=C42 and Q=C20
dρLabelID
C42×C20320C4^2xC20320,875

Semidirect products G=N:Q with N=C42 and Q=C20
extensionφ:Q→Aut NdρLabelID
C421C20 = C5×C4.9C42φ: C20/C5C4 ⊆ Aut C42804C4^2:1C20320,142
C422C20 = C5×C42⋊C4φ: C20/C5C4 ⊆ Aut C42404C4^2:2C20320,158
C423C20 = C5×C423C4φ: C20/C5C4 ⊆ Aut C42804C4^2:3C20320,159
C424C20 = C5×C424C4φ: C20/C10C2 ⊆ Aut C42320C4^2:4C20320,877
C425C20 = C5×C425C4φ: C20/C10C2 ⊆ Aut C42320C4^2:5C20320,884
C426C20 = C5×C426C4φ: C20/C10C2 ⊆ Aut C4280C4^2:6C20320,144
C427C20 = C4⋊C4×C20φ: C20/C10C2 ⊆ Aut C42320C4^2:7C20320,879
C428C20 = C5×C428C4φ: C20/C10C2 ⊆ Aut C42320C4^2:8C20320,883
C429C20 = C5×C429C4φ: C20/C10C2 ⊆ Aut C42320C4^2:9C20320,885

Non-split extensions G=N.Q with N=C42 and Q=C20
extensionφ:Q→Aut NdρLabelID
C42.1C20 = C5×C16⋊C4φ: C20/C5C4 ⊆ Aut C42804C4^2.1C20320,152
C42.2C20 = C5×C42.C4φ: C20/C5C4 ⊆ Aut C42804C4^2.2C20320,160
C42.3C20 = C5×C42.3C4φ: C20/C5C4 ⊆ Aut C42804C4^2.3C20320,161
C42.4C20 = C5×C165C4φ: C20/C10C2 ⊆ Aut C42320C4^2.4C20320,151
C42.5C20 = C10×C8⋊C4φ: C20/C10C2 ⊆ Aut C42320C4^2.5C20320,904
C42.6C20 = C5×C42.12C4φ: C20/C10C2 ⊆ Aut C42160C4^2.6C20320,932
C42.7C20 = C5×C4⋊C16φ: C20/C10C2 ⊆ Aut C42320C4^2.7C20320,168
C42.8C20 = C5×C8.C8φ: C20/C10C2 ⊆ Aut C42802C4^2.8C20320,169
C42.9C20 = M4(2)×C20φ: C20/C10C2 ⊆ Aut C42160C4^2.9C20320,905
C42.10C20 = C10×C4⋊C8φ: C20/C10C2 ⊆ Aut C42320C4^2.10C20320,923
C42.11C20 = C5×C4⋊M4(2)φ: C20/C10C2 ⊆ Aut C42160C4^2.11C20320,924
C42.12C20 = C5×C42.6C4φ: C20/C10C2 ⊆ Aut C42160C4^2.12C20320,933

׿
×
𝔽