We prove that there exist precisely \(459\) pairwise non-isomorphic Steiner systems \(S(5,6,48)\) stabilized by the group \({PSL}_2(47)\).
Citation
M.J. Grannell, T.S. Griggs, R.A. Mathon. On Steiner Systems \(S(5, 6,48)\)[J], Journal of Combinatorial Mathematics and Combinatorial Computing, Volume 012. 77-96. DOI: .