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邓江流1 雨辰2
Wen Yuan (Primary School Edition) 2021 No.09
1.贵阳职业技术学院装备制造分院;2.遵义市〇六一基地
通过中国剩余定理(=CRT)考虑了剩余类环m所诱导的剩余类乘法群()m∗的2阶元个数问题,并给出了相应的计数定理.具体地说,()m∗的2阶元个数可以通过m的素因子分解11rrmp pαα=决定:当13p≥时,或者当112,2pα==时,2阶元个数是21r−;当112,1pα==时,2阶元个数是121r−−;当112,3pα=≥时,2阶元个数大于21r−.该计数定理可以用于判定剩余类乘法群所在的Abel群同构类.
近世代数;Abel群;有限群分类;中国剩余定理;同余;阶
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Language: 中文
CN:11-9274/G
ISSN:2096-6261
Publication Frequency: 月刊
An academic processing and support platform focusing on journal databases, submission and review, and pre-typesetting.