Q.H. Jiang

School of Mathematical Sciences‎, ‎University of Jinan‎, ‎250022‎, ‎Shandong‎, ‎China.

[ 1 ] - A new characterization of $L_2(q)$ by the largest element orders

‎We characterize the finite simple groups $L_2(q)$ by the group orders and the largest‎ ‎element orders‎, ‎where $q$ is a prime or $q=2^a$‎, ‎with $2^a+1$ or $2^a-1$ a prime‎.  

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