1 Department of mathematics, Ilam Branch, Islamic Azad university, Ilam, Iran

2 School of mathematics, College of Science, University of Tehran, Tehran, Iran


Let $L := U_3(11)$. In this article, we classify groups with the same order and degree pattern as an almost simple group related to $L$. In fact, we prove that $L$, $L:2$ and $L:3$ are OD-characterizable, and $L:S_3$ is $5$-fold OD-characterizable.


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