Amirkabir University of Technology AUT Journal of Mathematics and Computing 2783-2449 4 1 2023 02 01 Designs from maximal subgroups and conjugacy classes of $\mathrm{PSL}(2,q)$, $q$ odd 47 55 5034 10.22060/ajmc.2022.21877.1117 EN Xavier Mbaale Department of Mathematics and Statistics, University of Zambia, Lusaka, Zambia Bernardo G. Rodrigues Department of Mathematics and Applied Mathematics, University of Pretoria, Hatfield 0028, South Africa Seiran Zandi Farzanegan1 High School, Sanandaj, Kurdistan, Iran Journal Article 2022 10 23 In this paper, using a method of construction of $1$-designs which are not necessarily symmetric, introduced by Key and Moori, we determine a number of $1$-designs with interesting parameters from the maximal subgroups and the conjugacy classes of elements of the group $PSL(2,q)$ for $q$ a power of an odd prime. https://ajmc.aut.ac.ir/article_5034_2e2079d63348233d91cad1fa9b1361e9.pdf