Properties

Label 2025.1979
Modulus $2025$
Conductor $675$
Order $90$
Real no
Primitive no
Minimal no
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2025, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([65,9]))
 
pari: [g,chi] = znchar(Mod(1979,2025))
 

Basic properties

Modulus: \(2025\)
Conductor: \(675\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(90\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{675}(254,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2025.bl

\(\chi_{2025}(44,\cdot)\) \(\chi_{2025}(89,\cdot)\) \(\chi_{2025}(179,\cdot)\) \(\chi_{2025}(314,\cdot)\) \(\chi_{2025}(359,\cdot)\) \(\chi_{2025}(494,\cdot)\) \(\chi_{2025}(584,\cdot)\) \(\chi_{2025}(629,\cdot)\) \(\chi_{2025}(719,\cdot)\) \(\chi_{2025}(764,\cdot)\) \(\chi_{2025}(854,\cdot)\) \(\chi_{2025}(989,\cdot)\) \(\chi_{2025}(1034,\cdot)\) \(\chi_{2025}(1169,\cdot)\) \(\chi_{2025}(1259,\cdot)\) \(\chi_{2025}(1304,\cdot)\) \(\chi_{2025}(1394,\cdot)\) \(\chi_{2025}(1439,\cdot)\) \(\chi_{2025}(1529,\cdot)\) \(\chi_{2025}(1664,\cdot)\) \(\chi_{2025}(1709,\cdot)\) \(\chi_{2025}(1844,\cdot)\) \(\chi_{2025}(1934,\cdot)\) \(\chi_{2025}(1979,\cdot)\)

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: $\Q(\zeta_{45})$
Fixed field: Number field defined by a degree 90 polynomial

Values on generators

\((326,1702)\) → \((e\left(\frac{13}{18}\right),e\left(\frac{1}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(11\)\(13\)\(14\)\(16\)\(17\)\(19\)
\( \chi_{ 2025 }(1979, a) \) \(-1\)\(1\)\(e\left(\frac{37}{45}\right)\)\(e\left(\frac{29}{45}\right)\)\(e\left(\frac{1}{18}\right)\)\(e\left(\frac{7}{15}\right)\)\(e\left(\frac{89}{90}\right)\)\(e\left(\frac{61}{90}\right)\)\(e\left(\frac{79}{90}\right)\)\(e\left(\frac{13}{45}\right)\)\(e\left(\frac{2}{15}\right)\)\(e\left(\frac{7}{15}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2025 }(1979,a) \;\) at \(\;a = \) e.g. 2