modular group PSL(2,ℤ)

GPTKB entity

Statements (31)
Predicate Object
gptkbp:instanceOf gptkb:group_of_people
modular group
discrete group
gptkbp:actsDiscretelyOn gptkb:hyperbolic_plane
gptkbp:actsOn upper half-plane
gptkbp:centralTo trivial
gptkbp:containsElement fractional linear transformation
gptkbp:definedIn PSL(2,ℤ) = SL(2,ℤ)/{±I}
gptkbp:generation S: z ↦ -1/z
T: z ↦ z+1
gptkbp:hasApplication gptkb:algebraic_geometry
gptkb:topology
complex analysis
number theory
theory of modular forms
gptkbp:hasSubgroup gptkb:principal_congruence_subgroup
gptkb:Hecke_group
https://www.w3.org/2000/01/rdf-schema#label modular group PSL(2,ℤ)
gptkbp:indexedIn 1 in itself
gptkbp:isomorphicTo free product of C2 and C3
gptkbp:isQuotientOf gptkb:SL(2,ℤ)
gptkbp:notation gptkb:PSL(2,ℤ)
Γ
gptkbp:order infinite
gptkbp:presentedBy ⟨S,T | S^2 = (ST)^3 = 1⟩
gptkbp:relatedTo modular forms
modular group
modular equation
modular function
gptkbp:bfsParent gptkb:SL(2,ℤ)
gptkbp:bfsLayer 6