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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">mathnas</journal-id><journal-title-group><journal-title xml:lang="ru">Труды Института математики НАН Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Institute of Mathematics of the NAS of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1812-5093</issn><publisher><publisher-name>Институт математики НАН Беларуси</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.67268/1812-5093-2026-34-1-39-44</article-id><article-id custom-type="edn" pub-id-type="custom">UVLPLF</article-id><article-id custom-type="elpub" pub-id-type="custom">mathnas-136</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>АЛГЕБРА И ТЕОРИЯ ЧИСЕЛ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ALGEBRA AND NUMBER THEORY</subject></subj-group></article-categories><title-group><article-title>Степени неприводимых компонент подстановочного характера и нормальные подгруппы конечной группы</article-title><trans-title-group xml:lang="en"><trans-title>Degrees of irreducible components of permutation character and normal subgroups of a finite group</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ядченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yadchenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">yadchenko_56@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт математики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Mathematics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2026</year></pub-date><volume>34</volume><issue>1</issue><fpage>39</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ядченко А.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Ядченко А.А.</copyright-holder><copyright-holder xml:lang="en">Yadchenko A.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://mathnas.ejournal.by/jour/article/view/136">https://mathnas.ejournal.by/jour/article/view/136</self-uri><abstract><p>Для нечетного простого числа $r$ найдены условия, при которых силовская $r$-подгруппа $G_{r}$ абелева и нормальна в неприводимой комплексной линейной группе $G$.</p></abstract><trans-abstract xml:lang="en"><p>For an odd prime number $r$, we found conditions under which a Sylow $r$-subgroup $G_{r}$ is Abelian and normal in an irreducible complex linear group $G$.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>конечные группы</kwd><kwd>степени характеров</kwd><kwd>нормальные подгруппы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>finite groups</kwd><kwd>degrees of characters</kwd><kwd>normal subgroups.</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Ito N. 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