Properties

Label 1521.263
Modulus $1521$
Conductor $1521$
Order $78$
Real no
Primitive yes
Minimal yes
Parity odd

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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([13,32]))
 
pari: [g,chi] = znchar(Mod(263,1521))
 

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: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1521.bz

\(\chi_{1521}(29,\cdot)\) \(\chi_{1521}(113,\cdot)\) \(\chi_{1521}(230,\cdot)\) \(\chi_{1521}(263,\cdot)\) \(\chi_{1521}(347,\cdot)\) \(\chi_{1521}(380,\cdot)\) \(\chi_{1521}(464,\cdot)\) \(\chi_{1521}(497,\cdot)\) \(\chi_{1521}(581,\cdot)\) \(\chi_{1521}(614,\cdot)\) \(\chi_{1521}(731,\cdot)\) \(\chi_{1521}(815,\cdot)\) \(\chi_{1521}(848,\cdot)\) \(\chi_{1521}(932,\cdot)\) \(\chi_{1521}(965,\cdot)\) \(\chi_{1521}(1049,\cdot)\) \(\chi_{1521}(1082,\cdot)\) \(\chi_{1521}(1166,\cdot)\) \(\chi_{1521}(1199,\cdot)\) \(\chi_{1521}(1283,\cdot)\) \(\chi_{1521}(1316,\cdot)\) \(\chi_{1521}(1400,\cdot)\) \(\chi_{1521}(1433,\cdot)\) \(\chi_{1521}(1517,\cdot)\)

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

\((677,847)\) → \((e\left(\frac{1}{6}\right),e\left(\frac{16}{39}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(7\)\(8\)\(10\)\(11\)\(14\)\(16\)\(17\)
\( \chi_{ 1521 }(263, a) \) \(-1\)\(1\)\(e\left(\frac{15}{26}\right)\)\(e\left(\frac{2}{13}\right)\)\(e\left(\frac{41}{78}\right)\)\(e\left(\frac{22}{39}\right)\)\(e\left(\frac{19}{26}\right)\)\(e\left(\frac{4}{39}\right)\)\(e\left(\frac{11}{26}\right)\)\(e\left(\frac{11}{78}\right)\)\(e\left(\frac{4}{13}\right)\)\(e\left(\frac{31}{78}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1521 }(263,a) \;\) at \(\;a = \) e.g. 2