Properties

Label 2475.239
Modulus $2475$
Conductor $2475$
Order $30$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2475, base_ring=CyclotomicField(30))
 
M = H._module
 
chi = DirichletCharacter(H, M([25,9,9]))
 
pari: [g,chi] = znchar(Mod(239,2475))
 

Basic properties

Modulus: \(2475\)
Conductor: \(2475\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(30\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2475.em

\(\chi_{2475}(239,\cdot)\) \(\chi_{2475}(644,\cdot)\) \(\chi_{2475}(1064,\cdot)\) \(\chi_{2475}(1184,\cdot)\) \(\chi_{2475}(1454,\cdot)\) \(\chi_{2475}(1469,\cdot)\) \(\chi_{2475}(2009,\cdot)\) \(\chi_{2475}(2279,\cdot)\)

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: \(\Q(\zeta_{15})\)
Fixed field: 30.30.17200029144406711299460730183653019214710733642693885059316016850061714649200439453125.3

Values on generators

\((551,2377,2026)\) → \((e\left(\frac{5}{6}\right),e\left(\frac{3}{10}\right),e\left(\frac{3}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(13\)\(14\)\(16\)\(17\)\(19\)\(23\)
\( \chi_{ 2475 }(239, a) \) \(1\)\(1\)\(e\left(\frac{13}{30}\right)\)\(e\left(\frac{13}{15}\right)\)\(e\left(\frac{14}{15}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{11}{30}\right)\)\(e\left(\frac{11}{15}\right)\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{7}{15}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2475 }(239,a) \;\) at \(\;a = \) e.g. 2