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Theorem
CongruenceSubgroup.exists_Gamma_le_conj
Modification history
2025-05-24 20:33
Mathlib/NumberTheory/ModularForms/CongruenceSubgroups.lean
feat(NumberTheory/ModularForms): Conjugation by GL(2, Q) preserves congruence subgroups (#24740) …
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CongruenceSubgroup.exists_Gamma_le_conj
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