Theorems · Definition · number theory
CongruenceSubgroup.Gamma1
ℕ → Subgroup (Matrix.SpecialLinearGroup (Fin 2) ℤ)
The congruence subgroup Gamma1 of SL(2, ℤ) consisting of matrices
whose bottom row is congruent to (0,1) modulo N.
- Cited by
- 6 results in Mathlib
- Foundations
- Depth 110 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Top.topproof · cited by 9,680
- Subgroupstatement · cited by 3,593
- MonoidHom.compproof · cited by 469
- Matrix.SpecialLinearGroupstatement · cited by 348
- Subgroup.mapproof · cited by 301
- Subgroup.subtypeproof · cited by 185
- CongruenceSubgroup.Gamma0proof · cited by 8
- CongruenceSubgroup.Gamma1'proof · cited by 3
Cited by6
Results whose statement or proof uses this declaration.
- CongruenceSubgroup.Gamma1_in_Gamma0statement and proof · cited by 1
- CongruenceSubgroup.Gamma1_is_congruencestatement · cited by 1
- CongruenceSubgroup.Gamma0_is_congruenceproof · cited by 0
- CongruenceSubgroup.strictPeriods_Gamma1statement · cited by 0
- CongruenceSubgroup.Gamma1_memstatement and proof · cited by 0
- CongruenceSubgroup.strictWidthInfty_Gamma1statement · cited by 0