Smallest graphs with given automorphism group

被引:2
|
作者
Deligeorgaki, Danai [1 ]
机构
[1] KTH Royal Inst Technol, Dept Math, SE-10044 Stockholm, Sweden
关键词
Graph; Automorphism group; Minimum order; Generalised dicyclic group; Generalised quaternion group; VERTEX-MINIMAL GRAPHS;
D O I
10.1007/s10801-022-01125-2
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
For a finite group G, denote by alpha(G) the minimum number of vertices of any graph Gamma having Aut(Gamma) congruent to G. In this paper, we prove that alpha(G) <= vertical bar G vertical bar, with specified exceptions. The exceptions include four infinite families of groups, and 17 other small groups. Additionally, we compute alpha(G) for the groups G such that alpha(G) > vertical bar G vertical bar where the value alpha(G) was previously unknown.
引用
收藏
页码:609 / 633
页数:25
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