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单词 IndexOfAnIntegerWithRespectToAPrimitiveRoot
释义

index of an integer with respect to a primitive root


Definition.

Let m>1 be an integer such that the integer g is a primitive rootMathworldPlanetmath for m. Suppose a is another integer relatively prime to g. The index of a (to base g) is the smallest positive integer n such that gnamodm, and it is denoted by inda or indga.

If m has a primitive root the index with respect to a primitive root is a very useful tool to solve polynomial congruences modulo m.

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更新时间:2025/5/4 10:16:17