Abstract
The spectrum of a group is the set of its element orders. We say that the problem of recognition by spectrum is solved for a finite group if we know the number of pairwise nonisomorphic finite groups with the same spectrum as the group under study. In this article the problem of recognition by spectrum is completely solved for every finite nonabelian simple group with orders having prime divisors at most 13.
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Original Russian Text Copyright © 2005 Vasil’ev A. V.
The author was supported by the Russian Foundation for Basic Research (Grants 02-01-39005; 05-01-00797), the State Maintenance Program for the Leading Scientific Schools of the Russian Federation (Grant NSh-2069.2003.1), the Program “Development of the Scientific Potential of Higher School” of the Ministry for Education of the Russian Federation (Grant No. 8294), and the Program “Universities of Russia” (Grant UR.04.01.202).
Translated from Sibirski \(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{\imath}\) Matematicheski \(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{\imath}\) Zhurnal, Vol. 46, No. 2, pp. 315–324, March–April, 2005.
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Vasil’ev, A.V. On recognition of all finite nonabelian simple groups with orders having prime divisors at most 13. Sib Math J 46, 246–253 (2005). https://doi.org/10.1007/s11202-005-0024-z
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DOI: https://doi.org/10.1007/s11202-005-0024-z