University of Isfahan International Journal of Group Theory 2251-7650 6 4 2017 12 01 A new characterization of ree group2g2 (Q) by the order of group and the number of elements with the same order 1 6 21233 10.22108/ijgt.2017.21233 EN Behnam Ebrahimzadeh ‎Islamic Azad University Ali Iranmanesh Tarbiat Modares University Hosein Parvizi Mosaed Alvand Institute of Higher Education Journal Article 2015 12 30 ‎‎In this paper‎, ‎we prove that Ree group ${}^2G_2(q)$‎, ‎where $q\pm\sqrt{3q}+1$ is a prime number can be uniquely determined by the order of group and the number of elements with the same order‎. Element order‎ ‎Prime graph‎ ‎Ree group‎ https://ijgt.ui.ac.ir/article_21233_8adb8053fff18fb8b8e4f2a357fc36fc.pdf