A hypergeometric motive $M$ of weight $w$ is of orthogonal or symplectic type according as $w$ is even or odd. This corresponds to the fact that the motivic Galois group of $M$ is either a subgroup of the conformal orthogonal group or conformal symplectic group depending on the parity of $w$.
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- Last edited by Sam Schiavone on 2024-04-22 11:48:58
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