Properties

Label 4015.16
Modulus $4015$
Conductor $803$
Order $45$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4015, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,36,40]))
 
pari: [g,chi] = znchar(Mod(16,4015))
 

Basic properties

Modulus: \(4015\)
Conductor: \(803\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(45\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{803}(16,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4015.ei

\(\chi_{4015}(16,\cdot)\) \(\chi_{4015}(201,\cdot)\) \(\chi_{4015}(251,\cdot)\) \(\chi_{4015}(256,\cdot)\) \(\chi_{4015}(566,\cdot)\) \(\chi_{4015}(586,\cdot)\) \(\chi_{4015}(621,\cdot)\) \(\chi_{4015}(746,\cdot)\) \(\chi_{4015}(951,\cdot)\) \(\chi_{4015}(1026,\cdot)\) \(\chi_{4015}(1296,\cdot)\) \(\chi_{4015}(1346,\cdot)\) \(\chi_{4015}(1351,\cdot)\) \(\chi_{4015}(1391,\cdot)\) \(\chi_{4015}(1681,\cdot)\) \(\chi_{4015}(1841,\cdot)\) \(\chi_{4015}(2121,\cdot)\) \(\chi_{4015}(2391,\cdot)\) \(\chi_{4015}(2446,\cdot)\) \(\chi_{4015}(2776,\cdot)\) \(\chi_{4015}(3171,\cdot)\) \(\chi_{4015}(3216,\cdot)\) \(\chi_{4015}(3536,\cdot)\) \(\chi_{4015}(3666,\cdot)\)

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 45 polynomial

Values on generators

\((1607,2191,881)\) → \((1,e\left(\frac{2}{5}\right),e\left(\frac{4}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(12\)\(13\)\(14\)
\( \chi_{ 4015 }(16, a) \) \(1\)\(1\)\(e\left(\frac{43}{45}\right)\)\(e\left(\frac{13}{15}\right)\)\(e\left(\frac{41}{45}\right)\)\(e\left(\frac{37}{45}\right)\)\(e\left(\frac{7}{15}\right)\)\(e\left(\frac{13}{15}\right)\)\(e\left(\frac{11}{15}\right)\)\(e\left(\frac{7}{9}\right)\)\(e\left(\frac{28}{45}\right)\)\(e\left(\frac{19}{45}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4015 }(16,a) \;\) at \(\;a = \) e.g. 2