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how to check an interger is represented by a given quadratic form or not.

The command "Q.representation_number_list(n)" will check the representations of integers from 0 to n-1 by Q. It is very time consuming.Is there some other command can check the representation of a single integer directly?

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how to check an interger is represented by a given quadratic form or not.

The command "Q.representation_number_list(n)" will check the representations of integers from 0 to n-1 by Q. It is very time consuming.Is there some other command can check the representation of a single integer directly?

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how to check an interger is represented by a given quadratic form or not.

The command "Q.representation_number_list(n)" will check the representations of integers from 0 to n-1 by Q. It is very time consuming.Is there some other command can check the representation of a single integer directly?