Properties

Label 2805.62
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([40,20,56,35]))
 
pari: [g,chi] = znchar(Mod(62,2805))
 

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.fb

\(\chi_{2805}(62,\cdot)\) \(\chi_{2805}(173,\cdot)\) \(\chi_{2805}(227,\cdot)\) \(\chi_{2805}(233,\cdot)\) \(\chi_{2805}(347,\cdot)\) \(\chi_{2805}(413,\cdot)\) \(\chi_{2805}(602,\cdot)\) \(\chi_{2805}(668,\cdot)\) \(\chi_{2805}(728,\cdot)\) \(\chi_{2805}(743,\cdot)\) \(\chi_{2805}(827,\cdot)\) \(\chi_{2805}(992,\cdot)\) \(\chi_{2805}(998,\cdot)\) \(\chi_{2805}(1217,\cdot)\) \(\chi_{2805}(1238,\cdot)\) \(\chi_{2805}(1337,\cdot)\) \(\chi_{2805}(1448,\cdot)\) \(\chi_{2805}(1493,\cdot)\) \(\chi_{2805}(1502,\cdot)\) \(\chi_{2805}(1592,\cdot)\) \(\chi_{2805}(1757,\cdot)\) \(\chi_{2805}(1877,\cdot)\) \(\chi_{2805}(1943,\cdot)\) \(\chi_{2805}(1982,\cdot)\) \(\chi_{2805}(2213,\cdot)\) \(\chi_{2805}(2273,\cdot)\) \(\chi_{2805}(2492,\cdot)\) \(\chi_{2805}(2642,\cdot)\) \(\chi_{2805}(2708,\cdot)\) \(\chi_{2805}(2723,\cdot)\) ...

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

\((1871,562,1531,496)\) → \((-1,i,e\left(\frac{7}{10}\right),e\left(\frac{7}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(13\)\(14\)\(16\)\(19\)\(23\)\(26\)
\( \chi_{ 2805 }(62, a) \) \(1\)\(1\)\(e\left(\frac{23}{40}\right)\)\(e\left(\frac{3}{20}\right)\)\(e\left(\frac{77}{80}\right)\)\(e\left(\frac{29}{40}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{43}{80}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{29}{40}\right)\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{31}{40}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2805 }(62,a) \;\) at \(\;a = \) e.g. 2