Properties

Label 20627.2
Modulus $20627$
Conductor $20627$
Order $20626$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(20627, base_ring=CyclotomicField(20626))
 
M = H._module
 
chi = DirichletCharacter(H, M([1]))
 
pari: [g,chi] = znchar(Mod(2,20627))
 

Basic properties

Modulus: \(20627\)
Conductor: \(20627\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20626\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 20627.d

\(\chi_{20627}(2,\cdot)\) \(\chi_{20627}(5,\cdot)\) \(\chi_{20627}(6,\cdot)\) \(\chi_{20627}(8,\cdot)\) \(\chi_{20627}(14,\cdot)\) \(\chi_{20627}(15,\cdot)\) \(\chi_{20627}(17,\cdot)\) \(\chi_{20627}(18,\cdot)\) \(\chi_{20627}(20,\cdot)\) \(\chi_{20627}(22,\cdot)\) \(\chi_{20627}(24,\cdot)\) \(\chi_{20627}(26,\cdot)\) \(\chi_{20627}(29,\cdot)\) \(\chi_{20627}(32,\cdot)\) \(\chi_{20627}(35,\cdot)\) \(\chi_{20627}(37,\cdot)\) \(\chi_{20627}(38,\cdot)\) \(\chi_{20627}(42,\cdot)\) \(\chi_{20627}(45,\cdot)\) \(\chi_{20627}(46,\cdot)\) \(\chi_{20627}(50,\cdot)\) \(\chi_{20627}(51,\cdot)\) \(\chi_{20627}(54,\cdot)\) \(\chi_{20627}(55,\cdot)\) \(\chi_{20627}(56,\cdot)\) \(\chi_{20627}(59,\cdot)\) \(\chi_{20627}(60,\cdot)\) \(\chi_{20627}(62,\cdot)\) \(\chi_{20627}(65,\cdot)\) \(\chi_{20627}(66,\cdot)\) ...

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

Related number fields

Field of values: $\Q(\zeta_{10313})$
Fixed field: Number field defined by a degree 20626 polynomial (not computed)

Values on generators

\(2\) → \(e\left(\frac{1}{20626}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 20627 }(2, a) \) \(-1\)\(1\)\(e\left(\frac{1}{20626}\right)\)\(e\left(\frac{6751}{10313}\right)\)\(e\left(\frac{1}{10313}\right)\)\(e\left(\frac{19543}{20626}\right)\)\(e\left(\frac{13503}{20626}\right)\)\(e\left(\frac{9248}{10313}\right)\)\(e\left(\frac{3}{20626}\right)\)\(e\left(\frac{3189}{10313}\right)\)\(e\left(\frac{9772}{10313}\right)\)\(e\left(\frac{572}{10313}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 20627 }(2,a) \;\) at \(\;a = \) e.g. 2