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

Direct product G=N×Q with N=C2×C9⋊C9 and Q=C2
dρLabelID
C22×C9⋊C9324C2^2xC9:C9324,83

Semidirect products G=N:Q with N=C2×C9⋊C9 and Q=C2
extensionφ:Q→Out NdρLabelID
(C2×C9⋊C9)⋊C2 = C2×C9⋊C18φ: C2/C1C2 ⊆ Out C2×C9⋊C9366(C2xC9:C9):C2324,64

Non-split extensions G=N.Q with N=C2×C9⋊C9 and Q=C2
extensionφ:Q→Out NdρLabelID
(C2×C9⋊C9).C2 = C9⋊C36φ: C2/C1C2 ⊆ Out C2×C9⋊C9366(C2xC9:C9).C2324,9
(C2×C9⋊C9).2C2 = C4×C9⋊C9φ: trivial image324(C2xC9:C9).2C2324,28

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