文中涉及的主要理论有群论，伽罗华域，模代数和线性代数。
The main means used in the paper are group theory, Galois field, module algebra and linear algebra.
在伽罗华有限域理论的基础上，用素域上的二次素数序列对素数码的码函数进行改进。
Based on Galois theory of definite field, using the square prime sequence, the code function of basic prime code is modified and extended.
在伽罗华有限域理论的基础上，用素域上的二次素数序列对素数码的码函数进行改进。
Based on Galois theory of definite field, using the square prime sequence, the code function of basic prime code is modified and extended.
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