Properties

Label 1521.49
Modulus $1521$
Conductor $1521$
Order $78$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1521, base_ring=CyclotomicField(78))
 
M = H._module
 
chi = DirichletCharacter(H, M([26,29]))
 
pari: [g,chi] = znchar(Mod(49,1521))
 

Basic properties

Modulus: \(1521\)
Conductor: \(1521\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(78\)
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 1521.bs

\(\chi_{1521}(43,\cdot)\) \(\chi_{1521}(49,\cdot)\) \(\chi_{1521}(160,\cdot)\) \(\chi_{1521}(166,\cdot)\) \(\chi_{1521}(277,\cdot)\) \(\chi_{1521}(283,\cdot)\) \(\chi_{1521}(394,\cdot)\) \(\chi_{1521}(400,\cdot)\) \(\chi_{1521}(511,\cdot)\) \(\chi_{1521}(517,\cdot)\) \(\chi_{1521}(628,\cdot)\) \(\chi_{1521}(634,\cdot)\) \(\chi_{1521}(745,\cdot)\) \(\chi_{1521}(751,\cdot)\) \(\chi_{1521}(862,\cdot)\) \(\chi_{1521}(979,\cdot)\) \(\chi_{1521}(985,\cdot)\) \(\chi_{1521}(1096,\cdot)\) \(\chi_{1521}(1102,\cdot)\) \(\chi_{1521}(1213,\cdot)\) \(\chi_{1521}(1219,\cdot)\) \(\chi_{1521}(1336,\cdot)\) \(\chi_{1521}(1447,\cdot)\) \(\chi_{1521}(1453,\cdot)\)

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: $\Q(\zeta_{39})$
Fixed field: Number field defined by a degree 78 polynomial

Values on generators

\((677,847)\) → \((e\left(\frac{1}{3}\right),e\left(\frac{29}{78}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(7\)\(8\)\(10\)\(11\)\(14\)\(16\)\(17\)
\( \chi_{ 1521 }(49, a) \) \(1\)\(1\)\(e\left(\frac{55}{78}\right)\)\(e\left(\frac{16}{39}\right)\)\(e\left(\frac{1}{78}\right)\)\(e\left(\frac{3}{26}\right)\)\(e\left(\frac{3}{26}\right)\)\(e\left(\frac{28}{39}\right)\)\(e\left(\frac{49}{78}\right)\)\(e\left(\frac{32}{39}\right)\)\(e\left(\frac{32}{39}\right)\)\(e\left(\frac{11}{39}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1521 }(49,a) \;\) at \(\;a = \) e.g. 2