Properties

Label 2805.2063
Modulus $2805$
Conductor $2805$
Order $80$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2805, base_ring=CyclotomicField(80))
 
M = H._module
 
chi = DirichletCharacter(H, M([40,60,72,75]))
 
pari: [g,chi] = znchar(Mod(2063,2805))
 

Basic properties

Modulus: \(2805\)
Conductor: \(2805\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(80\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2805.fl

\(\chi_{2805}(107,\cdot)\) \(\chi_{2805}(167,\cdot)\) \(\chi_{2805}(182,\cdot)\) \(\chi_{2805}(248,\cdot)\) \(\chi_{2805}(398,\cdot)\) \(\chi_{2805}(437,\cdot)\) \(\chi_{2805}(503,\cdot)\) \(\chi_{2805}(623,\cdot)\) \(\chi_{2805}(677,\cdot)\) \(\chi_{2805}(788,\cdot)\) \(\chi_{2805}(887,\cdot)\) \(\chi_{2805}(908,\cdot)\) \(\chi_{2805}(932,\cdot)\) \(\chi_{2805}(1163,\cdot)\) \(\chi_{2805}(1382,\cdot)\) \(\chi_{2805}(1388,\cdot)\) \(\chi_{2805}(1553,\cdot)\) \(\chi_{2805}(1652,\cdot)\) \(\chi_{2805}(1712,\cdot)\) \(\chi_{2805}(1778,\cdot)\) \(\chi_{2805}(1898,\cdot)\) \(\chi_{2805}(2063,\cdot)\) \(\chi_{2805}(2147,\cdot)\) \(\chi_{2805}(2153,\cdot)\) \(\chi_{2805}(2162,\cdot)\) \(\chi_{2805}(2207,\cdot)\) \(\chi_{2805}(2318,\cdot)\) \(\chi_{2805}(2417,\cdot)\) \(\chi_{2805}(2438,\cdot)\) \(\chi_{2805}(2477,\cdot)\) ...

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: $\Q(\zeta_{80})$
Fixed field: Number field defined by a degree 80 polynomial

Values on generators

\((1871,562,1531,496)\) → \((-1,-i,e\left(\frac{9}{10}\right),e\left(\frac{15}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(13\)\(14\)\(16\)\(19\)\(23\)\(26\)
\( \chi_{ 2805 }(2063, a) \) \(1\)\(1\)\(e\left(\frac{11}{40}\right)\)\(e\left(\frac{11}{20}\right)\)\(e\left(\frac{29}{80}\right)\)\(e\left(\frac{33}{40}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{51}{80}\right)\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{13}{40}\right)\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{7}{40}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2805 }(2063,a) \;\) at \(\;a = \) e.g. 2