Properties

Label 15840.11611
Modulus $15840$
Conductor $352$
Order $40$
Real no
Primitive no
Minimal yes
Parity even

Related objects

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(15840, base_ring=CyclotomicField(40)) M = H._module chi = DirichletCharacter(H, M([20,5,0,0,36]))
 
Copy content pari:[g,chi] = znchar(Mod(11611,15840))
 

Basic properties

Modulus: \(15840\)
Conductor: \(352\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(40\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{352}(347,\cdot)\)
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 15840.nk

\(\chi_{15840}(811,\cdot)\) \(\chi_{15840}(1531,\cdot)\) \(\chi_{15840}(2251,\cdot)\) \(\chi_{15840}(3691,\cdot)\) \(\chi_{15840}(4771,\cdot)\) \(\chi_{15840}(5491,\cdot)\) \(\chi_{15840}(6211,\cdot)\) \(\chi_{15840}(7651,\cdot)\) \(\chi_{15840}(8731,\cdot)\) \(\chi_{15840}(9451,\cdot)\) \(\chi_{15840}(10171,\cdot)\) \(\chi_{15840}(11611,\cdot)\) \(\chi_{15840}(12691,\cdot)\) \(\chi_{15840}(13411,\cdot)\) \(\chi_{15840}(14131,\cdot)\) \(\chi_{15840}(15571,\cdot)\)

Copy content sage:chi.galois_orbit()
 
Copy content pari:order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\zeta_{40})\)
Fixed field: 40.40.1411841662908675517629776705295515492024702234241930698046194396081616318012166504448.1

Values on generators

\((991,13861,3521,6337,14401)\) → \((-1,e\left(\frac{1}{8}\right),1,1,e\left(\frac{9}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 15840 }(11611, a) \) \(1\)\(1\)\(e\left(\frac{1}{20}\right)\)\(e\left(\frac{31}{40}\right)\)\(e\left(\frac{3}{5}\right)\)\(e\left(\frac{3}{40}\right)\)\(i\)\(e\left(\frac{27}{40}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{37}{40}\right)\)\(e\left(\frac{9}{20}\right)\)\(e\left(\frac{5}{8}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 15840 }(11611,a) \;\) at \(\;a = \) e.g. 2