Extensions 1→N→G→Q→1 with N=D10 and Q=C18

Direct product G=N×Q with N=D10 and Q=C18
dρLabelID
D5×C2×C18180D5xC2xC18360,47

Semidirect products G=N:Q with N=D10 and Q=C18
extensionφ:Q→Out NdρLabelID
D101C18 = C9×D20φ: C18/C9C2 ⊆ Out D101802D10:1C18360,17
D102C18 = C9×C5⋊D4φ: C18/C9C2 ⊆ Out D101802D10:2C18360,19

Non-split extensions G=N.Q with N=D10 and Q=C18
extensionφ:Q→Out NdρLabelID
D10.C18 = C18×F5φ: C18/C9C2 ⊆ Out D10904D10.C18360,43
D10.2C18 = D5×C36φ: trivial image1802D10.2C18360,16

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