Properties

Label 1249.7
Modulus $1249$
Conductor $1249$
Order $1248$
Real no
Primitive yes
Minimal yes
Parity odd

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1249, base_ring=CyclotomicField(1248))
 
M = H._module
 
chi = DirichletCharacter(H, M([1]))
 
pari: [g,chi] = znchar(Mod(7,1249))
 

Basic properties

Modulus: \(1249\)
Conductor: \(1249\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(1248\)
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 1249.x

\(\chi_{1249}(7,\cdot)\) \(\chi_{1249}(11,\cdot)\) \(\chi_{1249}(14,\cdot)\) \(\chi_{1249}(19,\cdot)\) \(\chi_{1249}(21,\cdot)\) \(\chi_{1249}(29,\cdot)\) \(\chi_{1249}(33,\cdot)\) \(\chi_{1249}(41,\cdot)\) \(\chi_{1249}(42,\cdot)\) \(\chi_{1249}(43,\cdot)\) \(\chi_{1249}(44,\cdot)\) \(\chi_{1249}(55,\cdot)\) \(\chi_{1249}(56,\cdot)\) \(\chi_{1249}(59,\cdot)\) \(\chi_{1249}(61,\cdot)\) \(\chi_{1249}(63,\cdot)\) \(\chi_{1249}(67,\cdot)\) \(\chi_{1249}(70,\cdot)\) \(\chi_{1249}(71,\cdot)\) \(\chi_{1249}(87,\cdot)\) \(\chi_{1249}(88,\cdot)\) \(\chi_{1249}(89,\cdot)\) \(\chi_{1249}(91,\cdot)\) \(\chi_{1249}(92,\cdot)\) \(\chi_{1249}(95,\cdot)\) \(\chi_{1249}(99,\cdot)\) \(\chi_{1249}(106,\cdot)\) \(\chi_{1249}(107,\cdot)\) \(\chi_{1249}(110,\cdot)\) \(\chi_{1249}(112,\cdot)\) ...

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: $\Q(\zeta_{1248})$
Fixed field: Number field defined by a degree 1248 polynomial (not computed)

Values on generators

\(7\) → \(e\left(\frac{1}{1248}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 1249 }(7, a) \) \(-1\)\(1\)\(e\left(\frac{107}{156}\right)\)\(e\left(\frac{125}{208}\right)\)\(e\left(\frac{29}{78}\right)\)\(e\left(\frac{361}{624}\right)\)\(e\left(\frac{179}{624}\right)\)\(e\left(\frac{1}{1248}\right)\)\(e\left(\frac{3}{52}\right)\)\(e\left(\frac{21}{104}\right)\)\(e\left(\frac{55}{208}\right)\)\(e\left(\frac{191}{1248}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1249 }(7,a) \;\) at \(\;a = \) e.g. 2