Sato–Tate groups of abelian threefolds: a preview of the classification

@article{Fit2019SatoTateGO,
  title={Sato–Tate groups of abelian threefolds: a preview of the classification},
  author={Francesc Fit{\'e} and Kiran S. Kedlaya and Andrew V. Sutherland},
  journal={arXiv: Number Theory},
  year={2019}
}
We announce the classification of Sato-Tate groups of abelian threefolds over number fields; there are 410 possible conjugacy classes of closed subgroups of USp(6) that occur. We summarize the key points of the "upper bound" aspect of the classification, and give a more rigorous treatment of the "lower bound" by realizing 33 groups that appear in the classification as maximal cases with respect to inclusions of finite index. Further details will be provided in a subsequent paper. 

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