Extensions 1→N→G→Q→1 with N=D20 and Q=C10

Direct product G=N×Q with N=D20 and Q=C10
dρLabelID
C10×D2080C10xD20400,183

Semidirect products G=N:Q with N=D20 and Q=C10
extensionφ:Q→Out NdρLabelID
D20⋊1C10 = C5×D40φ: C10/C5 → C2 ⊆ Out D20802D20:1C10400,79
D20⋊2C10 = C5×D4⋊D5φ: C10/C5 → C2 ⊆ Out D20404D20:2C10400,87
D20⋊3C10 = C5×D4×D5φ: C10/C5 → C2 ⊆ Out D20404D20:3C10400,185
D20⋊4C10 = C5×Q8⋊2D5φ: C10/C5 → C2 ⊆ Out D20804D20:4C10400,188
D20⋊5C10 = C5×C4○D20φ: trivial image402D20:5C10400,184

Non-split extensions G=N.Q with N=D20 and Q=C10
extensionφ:Q→Out NdρLabelID
D20.1C10 = C5×C40⋊C2φ: C10/C5 → C2 ⊆ Out D20802D20.1C10400,78
D20.2C10 = C5×Q8⋊D5φ: C10/C5 → C2 ⊆ Out D20804D20.2C10400,89

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