Extensions 1→N→G→Q→1 with N=C9×D5 and Q=C2

Direct product G=N×Q with N=C9×D5 and Q=C2
dρLabelID
D5×C18902D5xC18180,9

Semidirect products G=N:Q with N=C9×D5 and Q=C2
extensionφ:Q→Out NdρLabelID
(C9×D5)⋊C2 = D5×D9φ: C2/C1C2 ⊆ Out C9×D5454+(C9xD5):C2180,7

Non-split extensions G=N.Q with N=C9×D5 and Q=C2
extensionφ:Q→Out NdρLabelID
(C9×D5).1C2 = C9⋊F5φ: C2/C1C2 ⊆ Out C9×D5454(C9xD5).1C2180,6
(C9×D5).2C2 = C9×F5φ: C2/C1C2 ⊆ Out C9×D5454(C9xD5).2C2180,5

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