Dedekind eta function

GPTKB entity

Statements (26)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:definedIn gptkb:Upper_half-plane
gptkbp:defines η(τ) = e^{πiτ/12} ∏_{n=1}^∞ (1 - e^{2πinτ})
gptkbp:field gptkb:Number_theory
gptkb:Modular_forms
Complex analysis
gptkbp:firstAppearance 1877
gptkbp:hasFourierExpansion η(τ) = q^{1/24} ∏_{n=1}^∞ (1 - q^n), q = e^{2πiτ}
gptkbp:hasZeros None in upper half-plane
gptkbp:heldBy gptkb:Quasimodular_form
Holomorphic function
Modular form of weight 1/2
Nowhere vanishing on upper half-plane
https://www.w3.org/2000/01/rdf-schema#label Dedekind eta function
gptkbp:namedAfter gptkb:Richard_Dedekind
gptkbp:relatedTo gptkb:Eisenstein_series
gptkb:Modular_discriminant
gptkb:Jacobi_theta_function
gptkbp:satisfies Modular transformation property
gptkbp:symbol η(τ)
gptkbp:usedIn gptkb:Conformal_field_theory
gptkb:Monstrous_moonshine
Elliptic functions
Partition function
gptkbp:bfsParent gptkb:lion
gptkbp:bfsLayer 4