数学季刊 ›› 2000, Vol. 15 ›› Issue (2): 87-93.

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Z[(1+211/2)/2]上正定幺模格的分类

  

  1.  郑州纺织工学院基础部 河南郑州450007 
  • 收稿日期:1999-12-15 出版日期:2000-06-30 发布日期:2024-08-07
  • 作者简介:WANG Rui-qing(1965-),male,native of Linying,Henan,a lecturer of Zhengzhou Textile Institute,Master of Science,engages in algebras and number theory.

The Classification of Positive Definite Unimodular Lattices Over Z[(1+ 211/2)/2] 

  1.  郑州纺织工学院基础部 河南郑州450007 
  • Received:1999-12-15 Online:2000-06-30 Published:2024-08-07
  • About author:WANG Rui-qing(1965-),male,native of Linying,Henan,a lecturer of Zhengzhou Textile Institute,Master of Science,engages in algebras and number theory.

摘要: 本文综合利用邻格方法及Siegelmass公式对Z[(1+211/2) /2 ]上秩 4的正定幺模格实现了分类 ,得到了gen(I4 )的类数为 9,偶模格的类数为 3,并且给了代表格.

关键词:  , 正定幺模格, 邻格, 类数, Siegelmass公式, 正交群,  ,

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