graphical representations for the simple group of order 168

evidently felix klein nailed it long ago
(i’ve been working on it on and off for years).
scroll past the annoying animation:
john baez on klein’s quartic.
also: the eightfold way.

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  1. vlorbik

    α := ζ + ζ2 + ζ4 = −1 + √
    2
    (0.1)
    −7

    ie, … = {{ -1 + \sqrt{-7}}\over{2}}

  2. you can run but you can’t cut…
    you can cut, but you can’t paste…

  3. http://www.ems-ph.org/journals/newsletter/pdf/2004-12-54.pdf
    connes on symmetry (etc; the whole issue is reproduced here).




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