On non-congruence subgroups of the analogue of the modular group in characteristic \(p\). (Q1417926)
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scientific article; zbMATH DE number 2022023
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On non-congruence subgroups of the analogue of the modular group in characteristic \(p\). |
scientific article; zbMATH DE number 2022023 |
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On non-congruence subgroups of the analogue of the modular group in characteristic \(p\). (English)
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6 January 2004
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Let \(k\) be a finite field. The smallest index of a non-congruence subgroup of \(\text{SL}_2(k[t])\) is computed.
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congruece subgroups
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special linear groups
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polynomial rings
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non-congruence subgroups
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minimal index
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