Complex reflection groups and K3 surfaces I

Cédric Bonnafé (1) , Alessandra Sarti (2)

1 IMAG - Institut Montpelliérain Alexander Grothendieck
2 LMA [Poitiers] - Laboratoire de mathématiques et applications [UMR 7348]

We construct here many families of K3 surfaces that one can obtain as quotients of algebraic surfaces by some subgroups of the rank four complex reflection groups. We find in total 15 families with at worst ADE-singularities. In particular we classify all the K3 surfaces that can be obtained as quotients by the derived subgroup of the previous complex reflection groups. We prove our results by using the geometry of the weighted projective spaces where these surfaces are embedded and the theory of Springer and Lehrer-Springer on properties of complex reflection groups. This construction generalizes a previous construction by W. Barth and the second author.

Domaines: Géométrie algébrique [math.AG]; Théorie des groupes [math.GR]

Cédric Bonnafé, Alessandra Sarti. Complex reflection groups and K3 surfaces I. Épijournal de Géométrie Algébrique, 2021, 5, ⟨10.46298/epiga.2021.volume5.6573⟩. ⟨hal-02573148⟩