Niemeier lattices and K3 groups

被引：0

作者：

Zhang, De-Qi ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Math, Singapore 117543, Singapore

来源：

ALGEBRAIC GEOMETRY-USA | 2007年 / 422卷

关键词：

K3; surface; authomorphism group; Niemeier lattice;

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In this note, we consider algebraic K3 surfaces X with an action by the alternating group A(5). We show that if a cyclic extension A(5).C-n acts on X then n = 1, 2, or 4. We also determine the A(5)-invariant sublattice of the K3 lattice and its discriminant form.

引用

页码：223 / 239

页数：17

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