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On an Enriques Surface Associated With a Quartic Hessian Surface

Part of: Computational aspects in algebraic geometry Surfaces and higher-dimensional varieties

Published online by Cambridge University Press:  09 January 2019

Ichiro Shimada
Ichiro Shimada*
Affiliation:
Division of Mathematics, Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan Email: ichiro-shimada@hiroshima-u.ac.jp
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Abstract

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Let $Y$ be a complex Enriques surface whose universal cover $X$ is birational to a general quartic Hessian surface. Using the result on the automorphism group of $X$ due to Dolgachev and Keum, we obtain a finite presentation of the automorphism group of $Y$. The list of elliptic fibrations on $Y$ and the list of combinations of rational double points that can appear on a surface birational to $Y$ are presented. As an application, a set of generators of the automorphism group of the generic Enriques surface is calculated explicitly.

Keywords

Enriques surfaceK3 surfaceautomorphismlattice

MSC classification

Primary: 14J28: $K3$ surfaces and Enriques surfaces
Secondary: 14Q10: Surfaces, hypersurfaces
Type
Article
Information
Canadian Journal of Mathematics , Volume 71 , Issue 1 , February 2019 , pp. 213 - 246
Copyright
© Canadian Mathematical Society 2018 

Footnotes

This work was supported by JSPS KAKENHI Grant Number 16H03926 and 16K13749.

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