Properties

Label 7920.1943
Modulus 79207920
Conductor 13201320
Order 2020
Real no
Primitive no
Minimal no
Parity even

Related objects

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(7920, base_ring=CyclotomicField(20)) M = H._module chi = DirichletCharacter(H, M([10,10,10,15,14]))
 
Copy content pari:[g,chi] = znchar(Mod(1943,7920))
 

Basic properties

Modulus: 79207920
Conductor: 13201320
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: 2020
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from χ1320(1283,)\chi_{1320}(1283,\cdot)
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 7920.id

χ7920(503,)\chi_{7920}(503,\cdot) χ7920(1223,)\chi_{7920}(1223,\cdot) χ7920(1943,)\chi_{7920}(1943,\cdot) χ7920(2087,)\chi_{7920}(2087,\cdot) χ7920(2807,)\chi_{7920}(2807,\cdot) χ7920(3383,)\chi_{7920}(3383,\cdot) χ7920(3527,)\chi_{7920}(3527,\cdot) χ7920(4967,)\chi_{7920}(4967,\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(ζ20)\Q(\zeta_{20})
Fixed field: 20.20.10757982042338190187612372992000000000000000.1

Values on generators

(991,5941,3521,6337,6481)(991,5941,3521,6337,6481)(1,1,1,i,e(710))(-1,-1,-1,-i,e\left(\frac{7}{10}\right))

First values

aa 1-11177131317171919232329293131373741414343
χ7920(1943,a) \chi_{ 7920 }(1943, a) 1111e(320)e\left(\frac{3}{20}\right)e(920)e\left(\frac{9}{20}\right)e(1120)e\left(\frac{11}{20}\right)e(35)e\left(\frac{3}{5}\right)iie(25)e\left(\frac{2}{5}\right)e(710)e\left(\frac{7}{10}\right)e(1320)e\left(\frac{13}{20}\right)e(35)e\left(\frac{3}{5}\right)i-i
Copy content sage:chi.jacobi_sum(n)
 
χ7920(1943,a)   \chi_{ 7920 }(1943,a) \; at   a=\;a = e.g. 2