Properties

Label 2557.42
Modulus $2557$
Conductor $2557$
Order $2556$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2557, base_ring=CyclotomicField(2556)) M = H._module chi = DirichletCharacter(H, M([1867]))
 
Copy content pari:[g,chi] = znchar(Mod(42,2557))
 

Basic properties

Modulus: \(2557\)
Conductor: \(2557\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(2556\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: yes
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 2557.r

\(\chi_{2557}(2,\cdot)\) \(\chi_{2557}(5,\cdot)\) \(\chi_{2557}(6,\cdot)\) \(\chi_{2557}(15,\cdot)\) \(\chi_{2557}(17,\cdot)\) \(\chi_{2557}(24,\cdot)\) \(\chi_{2557}(31,\cdot)\) \(\chi_{2557}(32,\cdot)\) \(\chi_{2557}(41,\cdot)\) \(\chi_{2557}(42,\cdot)\) \(\chi_{2557}(43,\cdot)\) \(\chi_{2557}(47,\cdot)\) \(\chi_{2557}(51,\cdot)\) \(\chi_{2557}(54,\cdot)\) \(\chi_{2557}(56,\cdot)\) \(\chi_{2557}(60,\cdot)\) \(\chi_{2557}(66,\cdot)\) \(\chi_{2557}(67,\cdot)\) \(\chi_{2557}(72,\cdot)\) \(\chi_{2557}(78,\cdot)\) \(\chi_{2557}(80,\cdot)\) \(\chi_{2557}(83,\cdot)\) \(\chi_{2557}(88,\cdot)\) \(\chi_{2557}(89,\cdot)\) \(\chi_{2557}(98,\cdot)\) \(\chi_{2557}(103,\cdot)\) \(\chi_{2557}(104,\cdot)\) \(\chi_{2557}(105,\cdot)\) \(\chi_{2557}(106,\cdot)\) \(\chi_{2557}(107,\cdot)\) ...

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: $\Q(\zeta_{2556})$
Fixed field: Number field defined by a degree 2556 polynomial (not computed)

Values on generators

\(2\) → \(e\left(\frac{1867}{2556}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 2557 }(42, a) \) \(-1\)\(1\)\(e\left(\frac{1867}{2556}\right)\)\(e\left(\frac{283}{639}\right)\)\(e\left(\frac{589}{1278}\right)\)\(e\left(\frac{2221}{2556}\right)\)\(e\left(\frac{443}{2556}\right)\)\(e\left(\frac{709}{1278}\right)\)\(e\left(\frac{163}{852}\right)\)\(e\left(\frac{566}{639}\right)\)\(e\left(\frac{383}{639}\right)\)\(e\left(\frac{455}{639}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 2557 }(42,a) \;\) at \(\;a = \) e.g. 2