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Properties

Label 2028.239
Modulus $2028$
Conductor $156$
Order $4$
Real no
Primitive no
Minimal yes
Parity odd

Related objects

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2028, base_ring=CyclotomicField(4)) M = H._module chi = DirichletCharacter(H, M([2,2,3]))
 
Copy content pari:[g,chi] = znchar(Mod(239,2028))
 

Basic properties

Modulus: \(2028\)
Conductor: \(156\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(4\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{156}(83,\cdot)\)
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 2028.l

\(\chi_{2028}(239,\cdot)\) \(\chi_{2028}(1451,\cdot)\)

Copy content sage:chi.galois_orbit()
 
Copy content pari:order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\mathbb{Q}(i)\)
Fixed field: 4.0.316368.2

Values on generators

\((1015,677,1861)\) → \((-1,-1,-i)\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(35\)
\( \chi_{ 2028 }(239, a) \) \(-1\)\(1\)\(i\)\(-i\)\(i\)\(1\)\(i\)\(-1\)\(-1\)\(-1\)\(i\)\(1\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 2028 }(239,a) \;\) at \(\;a = \) e.g. 2