Low-dimensional lattices. II. Subgroups of GL(n, ℤ)
作者：
关键词: Combinatorics 、 Automorphism 、 Homogeneous space 、 Mathematics
摘要: The maximal finite irreducible groups of n x integers for = 4, 5, . , 9, 11, 13, 17, 19, 23 were determined by Dade, Ryskov, Bulow, Plesken & Pohst and Plesken, as the automorphism certain quadratic forms. This paper presents a geometric description corresponding -dimensional lattices, gives coordinates which display their symmetries minimal vectors. Some very interesting lattices appear.
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