Theorems · Definition · number theory
ModularGroup.coe
Deprecated since 2026-04-29Mathlib marks this declaration as deprecated.
Matrix.SpecialLinearGroup (Fin 2) ℤ → ↥(Matrix.GLPos (Fin 2) ℝ)
Canonical embedding of SL(2, ℤ) into GL(2, ℝ)⁺.
- Cited by
- 5 results in Mathlib
- Foundations
- Depth 109 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Realstatement and proof · cited by 25,697
- Matrixstatement · cited by 4,303
- Subgroupstatement · cited by 3,593
- Matrix.GeneralLinearGroupstatement · cited by 556
- Matrix.SpecialLinearGroupstatement and proof · cited by 348
- Int.castRingHomproof · cited by 254
- Matrix.SpecialLinearGroup.mapproof · cited by 77
- Matrix.GLPosstatement · cited by 16
- Matrix.SpecialLinearGroup.toGLPosproof · cited by 7
Cited by5
Results whose statement or proof uses this declaration.
- ModularGroup.coe_injstatement and proof · cited by 0
- ModularGroup.coe_onestatement · cited by 0
- ModularGroup.det_coestatement · cited by 0
- ModularGroup.coeHom_applystatement · cited by 0
- ModularGroup.coe_apply_complexstatement · cited by 0