Theorems · Definition · group theory
Subgroup.transferFunction
{G : Type u_1} → [inst : Group G] → (H : Subgroup G) → G → G ⧸ H → GThe transfer transversal as a function. Given a ⟨g⟩-orbit q₀, g • q₀, ..., g ^ (m - 1) • q₀
in G ⧸ H, an element g ^ k • q₀ is mapped to g ^ k • g₀ for a fixed choice of
representative g₀ of q₀.
- Defined in
- Mathlib.GroupTheory.Transfer
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 89 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Group
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Groupstatement and proof · cited by 6,238
- Subgroupstatement and proof · cited by 3,593
- HasQuotient.Quotientstatement and proof · cited by 2,301
- Quotient.outproof · cited by 141
- ZMod.castproof · cited by 87
- Subgroup.quotientEquivSigmaZModproof · cited by 7
Cited by5
Results whose statement or proof uses this declaration.
- Subgroup.transferFunction_applystatement · cited by 3
- Subgroup.transferTransversal_applystatement · cited by 2
- Subgroup.coe_transferFunctionstatement · cited by 1
- Subgroup.transferSetproof · cited by 1
- Subgroup.mem_transferSetstatement · cited by 0