■リー群と表現(その62)

[1]421

 (240,6720,60480,241920,483840,483840,69120(α6)+138240(α6),17280(α7)+2160(β7))

[2]241

 (2160,69120,483840,1209600,1209600α4,60480β5+483840α5,6720(221)+138240(α6),240(231)+17280(α7))

[3]142

(17280,483840,2419200,3628800,604800hγ4+1693440α4,241920hγ5+483840α5,6720(122)+30240hγ6+69120α6,240(132)+2160hγ7)

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コクセターの論文で正しいことを確認した

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