The convolution sum $\sum_{al+bm=n} \sigma(l) \sigma(m)$ for $(a,b)=(1,28), (4,7), (1,14), (2,7), (1,7)$ (Q5215882)
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scientific article; zbMATH DE number 7167104
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The convolution sum $\sum_{al+bm=n} \sigma(l) \sigma(m)$ for $(a,b)=(1,28), (4,7), (1,14), (2,7), (1,7)$ |
scientific article; zbMATH DE number 7167104 |
Statements
13 February 2020
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convolution sums
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sum of divisors function
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Eisenstein series
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modular forms
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cusp forms
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Dedekind eta function
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eta quotients
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octonary quadratic forms
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representations
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math.NT
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