Abstract
We prove that the automorphism group of a self-complementary metacirculant is either soluble or has A 5 as the only insoluble composition factor, extending a result of Li and Praeger which says the automorphism group of a self-complementary circulant is soluble. The proof involves a construction of self-complementary metacirculants which are Cayley graphs and have insoluble automorphism groups. To the best of our knowledge, these are the first examples of self-complementary graphs with this property.
Original language | English |
---|---|
Pages (from-to) | 1135-1144 |
Journal | Journal of Algebraic Combinatorics |
Volume | 40 |
Issue number | 4 |
Early online date | 22 Apr 2014 |
DOIs | |
Publication status | Published - Dec 2014 |