modular function
C51322
concept
A modular function is a complex-valued function on the upper half-plane that is invariant under the action of a modular group (typically SL(2,ℤ)) and is meromorphic on the extended upper half-plane, including at the cusps.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| inner function | 1 |
| modular form | 1 |
Instances (3)
| Instance | Via concept surface |
|---|---|
| modular j-invariant | — |
|
Blaschke products
surface form:
Blaschke product
|
inner function |
| Eisenstein series | modular form |