Properties

Label 2548.2081
Modulus 25482548
Conductor 4949
Order 2121
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2548, base_ring=CyclotomicField(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,38,0]))
 
pari: [g,chi] = znchar(Mod(2081,2548))
 

Basic properties

Modulus: 25482548
Conductor: 4949
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: 2121
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from χ49(23,)\chi_{49}(23,\cdot)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2548.cs

χ2548(53,)\chi_{2548}(53,\cdot) χ2548(261,)\chi_{2548}(261,\cdot) χ2548(417,)\chi_{2548}(417,\cdot) χ2548(625,)\chi_{2548}(625,\cdot) χ2548(781,)\chi_{2548}(781,\cdot) χ2548(989,)\chi_{2548}(989,\cdot) χ2548(1509,)\chi_{2548}(1509,\cdot) χ2548(1717,)\chi_{2548}(1717,\cdot) χ2548(1873,)\chi_{2548}(1873,\cdot) χ2548(2081,)\chi_{2548}(2081,\cdot) χ2548(2237,)\chi_{2548}(2237,\cdot) χ2548(2445,)\chi_{2548}(2445,\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(ζ21)\Q(\zeta_{21})
Fixed field: Number field defined by a degree 21 polynomial

Values on generators

(1275,885,197)(1275,885,197)(1,e(1921),1)(1,e\left(\frac{19}{21}\right),1)

First values

aa 1-1113355991111151517171919232325252727
χ2548(2081,a) \chi_{ 2548 }(2081, a) 1111e(1921)e\left(\frac{19}{21}\right)e(521)e\left(\frac{5}{21}\right)e(1721)e\left(\frac{17}{21}\right)e(421)e\left(\frac{4}{21}\right)e(17)e\left(\frac{1}{7}\right)e(1321)e\left(\frac{13}{21}\right)e(23)e\left(\frac{2}{3}\right)e(821)e\left(\frac{8}{21}\right)e(1021)e\left(\frac{10}{21}\right)e(57)e\left(\frac{5}{7}\right)
sage: chi.jacobi_sum(n)
 
χ2548(2081,a)   \chi_{ 2548 }(2081,a) \; at   a=\;a = e.g. 2