![Copy content]() gp:[N,k,chi] = [44688,2,Mod(1,44688)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
        gp:[N,k,chi] = [44688,2,Mod(1,44688)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
         
     
    
    
        ![Copy content]() magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("44688.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
        magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("44688.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
         
     
    
    
        ![Copy content]() sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(44688, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0, 0, 0]))
N = Newforms(chi, 2, names="a")
        sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(44688, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0, 0, 0]))
N = Newforms(chi, 2, names="a") 
         
     
    
 Newform invariants 
    
    
    
        ![Copy content]() sage:traces = [1,0,1,0,1,0,0,0,1,0,1,0,-6,0,1,0,2,0,-1,0,0,0,1,0,-4,0,1,0,4,
0,0,0,1,0,0,0,8,0,-6,0,-12,0,7,0,1,0,9,0,0,0,2,0,0,0,1,0,-1,0,2,0,-3,0,
0,0,-6,0,2,0,1,0,-2,0,1,0,-4,0,0,0,-12,0,1,0,1,0,2,0,4,0,-18,0,0,0,0,0,
-1,0,4,0,1,0]
f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(None)] == traces)
        sage:traces = [1,0,1,0,1,0,0,0,1,0,1,0,-6,0,1,0,2,0,-1,0,0,0,1,0,-4,0,1,0,4,
0,0,0,1,0,0,0,8,0,-6,0,-12,0,7,0,1,0,9,0,0,0,2,0,0,0,1,0,-1,0,2,0,-3,0,
0,0,-6,0,2,0,1,0,-2,0,1,0,-4,0,0,0,-12,0,1,0,1,0,2,0,4,0,-18,0,0,0,0,0,
-1,0,4,0,1,0]
f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(None)] == traces)
         
     
    
    
        ![Copy content]() gp:f = lf[1] \\ Warning: the index may be different
        gp:f = lf[1] \\ Warning: the index may be different
         
     
    
  
    
    
    
        ![Copy content]() sage:f.q_expansion() # note that sage often uses an isomorphic number field
        sage:f.q_expansion() # note that sage often uses an isomorphic number field
         
     
    
    
        ![Copy content]() gp:mfcoefs(f, 20)
        gp:mfcoefs(f, 20)
         
     
    
    
   
  
    
      | \( p \) | Sign | 
  
  
        
      | \(2\) | \( -1 \) | 
        
      | \(3\) | \( -1 \) | 
        
      | \(7\) | \( +1 \) | 
        
      | \(19\) | \( +1 \) | 
      
Inner twists of this newform have not been computed.
Twists of this newform have not been computed.