A CIMPA research school on Group Actions in Arithmetic and Geometry Gadjah Mada University Yogyakarta, Indonesia February 17^{th}28^{th} 2020 
Groups and symmetries  Groups and symmetries in geometry Bas Edixhoven and Intan MuchtadiAlamsyah 
Representation thory 
Representation theory of finite groups Laura Geatti and René Schoof 
Coding theory 
Coding theory Elisa Lorenzo Garcia and Kiki Ariyanti Sugeng 
Finite fields 
Finite fields and number theory Francesco Pappalardi and Michel Waldschmidt 
Modular forms 
Modular forms Marusia Rebolledo and Valerio Talamanca 
Galois theory 
Galois theory and profinite groups Peter Stevenhagen and Indah Wijayanti 
Week 1  
Monday  Tuesday  Wednesday  Thursday  Friday  
08:309:20  Registration  Modular forms  Galois theory  Coding theory 
Representation theory 
9:3010:20  Groups and symmetries  Galois theory  Modular forms  Finite fields  Groups and symmetries

10:2010:40  Break  
10:4011;30  Representation theory  Coding theory  Finite fields (Training session) 
Groups and symmetries  Galois theory 
11:4012:30  Finite fields  Finite fields  Coding theory 
Representation theory  Modular forms 
12:3014:00  Lunch Break  
14:0014:50  Coding theory  Representation theory (Training session) 
Free Afteroon  Modular forms (Training session) 
Coding theory 
15:0015:50  Opening Ceremony  Groups and symmetries (Training session) 
Galois theory (Training session) 
Finite fields 
Week 2  
Monday  Tuesday  Wednesday  Thursday  Friday  
08:309:20  Modular forms  Finite fields 
Representation theory 
Coding theory (Training session) 
Galois theory 
9:3010:20  Galois theory  Coding theoryv 
Groups and symmetries 
Finite fields (Training session) 
Modular forms 
10:2010:40  Break  
10:4011:30  Finite fields  Representation theory  Finite fields  Modular forms  Representation theory (Training session) 
11:4012:30  Coding theory 
Groups and symmetries  Coding theory  Galois theory  Groups and symmetries (Training session) 
12:3014:00  Lunch Break  
14:0014:50  Groups and symmetries (Training session) 
Galois theory (Training session) 
Free Afteroon  Groups and symmetries  Modular forms (Training session) 
15:0015:50  Representation theory (Training session) 
Modular forms (Training session) 
Representation theory  Galois theory (Training session) 