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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 custom-type="elpub" pub-id-type="custom">mathnas-5</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>Решеточные характеризации разрешимых и сверхразрешимых конечных групп</article-title><trans-title-group xml:lang="en"><trans-title>Lattice characterizations of soluble and supersoluble finite groups</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>Лю</surname><given-names>А.-М.</given-names></name><name name-style="western" xml:lang="en"><surname>Liu</surname><given-names>A.-M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Школа математики и статистики</p><p>Хайнань; Хайкоу</p></bio><bio xml:lang="en"><p>School of Mathematics and Statistics</p><p>Hainan; Haikou</p></bio><email xlink:type="simple">amliu@hainanu.edu.cn</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ван</surname><given-names>С.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Школа математики и статистики; Факультет математики</p><p>Хайнань; Хайкоу; Тяньцзинь</p></bio><bio xml:lang="en"><p>School of Mathematics and Statistics; School of Mathematics</p><p>Hainan; Haikou; Tianjin</p></bio><email xlink:type="simple">tjuwangsz@163.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафонов</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Safonov</surname><given-names>V. G.</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">vgsafonov@im.bas-net.by</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скиба</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Skiba</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск; Гомель</p></bio><bio xml:lang="en"><p>Minsk; Gomel</p></bio><email xlink:type="simple">alexander.skiba49@gmail.com</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Хайнаньский университет</institution></aff><aff xml:lang="en"><institution>Hainan University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Хайнаньский университет; Тяньцзиньский университет</institution></aff><aff xml:lang="en"><institution>Hainan University; Tianjin University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><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><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт математики НАН Беларуси; Гомельский государственный университет им. Ф. Скорины</institution></aff><aff xml:lang="en"><institution>Institute of Mathematics of the National Academy of Sciences of Belarus; Francisk Skorina Gomel State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>29</day><month>09</month><year>2024</year></pub-date><volume>32</volume><issue>1</issue><fpage>17</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лю А., Ван С., Сафонов В.Г., Скиба А.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Лю А., Ван С., Сафонов В.Г., Скиба А.Н.</copyright-holder><copyright-holder xml:lang="en">Liu A., Wang S., Safonov V.G., Skiba A.N.</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/5">https://mathnas.ejournal.by/jour/article/view/5</self-uri><abstract><p>Пусть $G$ – конечная группа, ${\cal L}_{sn}(G)$ – решетка всех субнормальных подгрупп $G$. Пусть $A$ и $N$ – подгруппы группы $G$ и 1, $G\in {\cal L}$ – подрешетка ${\cal L}_{sn}(G)$, т.е. $A\cap B, \langle A, B \rangle \in {\cal L}$ для всех $A, B \in {\cal L} \subseteq {\cal L}_{sn}(G)$. Тогда через $A^{{\cal L}}$ обозначим $\cal L$-замыканием подгруппы $A$ в $G$, т.е. пересечение всех подгрупп из $ {\cal L}$, содержащих $A$, и через $A_{{\cal L}}$ – $\cal L$-ядро подгруппы $A$ в $G$, то есть подгруппу $A$, порожденную всеми подгруппами из $A$, принадлежащими $\cal L$. Мы говорим, что $A$ является $N$-${\cal L}$-подгруппой группы $G$, если либо $A\in {\cal L}$, либо $A_{{\cal L}} &lt; A &lt; A^{\cal L}$ и $N$ изолирует любой композиционный фактор $H/K$ группы $G$ между $A_{{\cal L}}$ и $ A^{\cal L}$, т.е. $N\cap H=N\cap K$. Используя эти понятия, мы даем новые характеризации разрешимых и сверхразрешимых конечных групп. Обобщены некоторые известные результаты.</p></abstract><trans-abstract xml:lang="en"><p>Let $G$ be a finite group and ${\cal L}_{sn}(G)$ be the lattice of all subnormal subgroups of $G$. Let $A$ and $N$ be subgroups of $G$ and $G\in {\cal L}$ be a sublattice of ${\cal L}_{sn}(G)$, that is, $A\cap B$, $\langle A, B \rangle \in {\cal L}$ for all $A, B \in {\cal L} \subseteq {\cal L}_{sn}(G)$. Then: $A^{{\cal L}}$ is the $\cal L$-closure of $A$ in $G$, that is, the intersection of all subgroups in $ {\cal L}$ containing $A$ and $A_{{\cal L}}$ is the $\cal L$-core of $A$ in $G$, that is, the subgroup of $A$ generated by all subgroups of $A$ belonging $\cal L$. We say that $A$ is an $N$-${\cal L}$-subgroup of $G$ if either $A\in {\cal L}$ or $A_{{\cal L}} &lt; A &lt; A^{\cal L}$ and $N$ avoids every composition factor $H/K$ of $G$ between $A_{{\cal L}}$ and $ A^{\cal L}$, that is, $N\cap H=N\cap K$. Using this concept, we give new characterizations of soluble and supersoluble finite groups. Some know results are extended.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>конечная группа</kwd><kwd>решетка подгрупп</kwd><kwd>субнормальная подгруппа</kwd><kwd>$N$-${\cal L}$-подгруппа</kwd><kwd>$N$-субнормальная подгруппа</kwd></kwd-group><kwd-group xml:lang="en"><kwd>finite group</kwd><kwd>subgroup lattice</kwd><kwd>subnormal subgroup</kwd><kwd>$N$-${\cal L}$-subgroup</kwd><kwd>$N$-subnormal subgroup</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование было поддержано Национальным фондом естественных наук Китая (№ 12101165, 12171126), ННСФК-БРФФИ (№ 12311530761), Министерством образования Республики Беларусь (№ 20211778) и Белорусскимо республиканским фондом фундаментальных исследований (№ Ф24КИ-021)</funding-statement><funding-statement xml:lang="en">The study was supported by the National Natural Science Foundation of China (N. 12101165, 12171126), NNSFC-BRFFR (N. 12311530761), Ministry of Education of the Republic of Belarus (N. 20211778), and the Belarusian Republican Foundation for Fundamental Research (N. 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