Properties

Label 2805.1637
Modulus $2805$
Conductor $2805$
Order $80$
Real no
Primitive yes
Minimal yes
Parity odd

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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([40,20,48,25]))
 
pari: [g,chi] = znchar(Mod(1637,2805))
 

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: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2805.ez

\(\chi_{2805}(113,\cdot)\) \(\chi_{2805}(278,\cdot)\) \(\chi_{2805}(368,\cdot)\) \(\chi_{2805}(377,\cdot)\) \(\chi_{2805}(422,\cdot)\) \(\chi_{2805}(533,\cdot)\) \(\chi_{2805}(632,\cdot)\) \(\chi_{2805}(653,\cdot)\) \(\chi_{2805}(872,\cdot)\) \(\chi_{2805}(878,\cdot)\) \(\chi_{2805}(1043,\cdot)\) \(\chi_{2805}(1127,\cdot)\) \(\chi_{2805}(1142,\cdot)\) \(\chi_{2805}(1202,\cdot)\) \(\chi_{2805}(1268,\cdot)\) \(\chi_{2805}(1457,\cdot)\) \(\chi_{2805}(1523,\cdot)\) \(\chi_{2805}(1637,\cdot)\) \(\chi_{2805}(1643,\cdot)\) \(\chi_{2805}(1697,\cdot)\) \(\chi_{2805}(1808,\cdot)\) \(\chi_{2805}(1907,\cdot)\) \(\chi_{2805}(1928,\cdot)\) \(\chi_{2805}(1952,\cdot)\) \(\chi_{2805}(1967,\cdot)\) \(\chi_{2805}(2033,\cdot)\) \(\chi_{2805}(2183,\cdot)\) \(\chi_{2805}(2402,\cdot)\) \(\chi_{2805}(2462,\cdot)\) \(\chi_{2805}(2693,\cdot)\) ...

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

\((1871,562,1531,496)\) → \((-1,i,e\left(\frac{3}{5}\right),e\left(\frac{5}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(13\)\(14\)\(16\)\(19\)\(23\)\(26\)
\( \chi_{ 2805 }(1637, a) \) \(-1\)\(1\)\(e\left(\frac{29}{40}\right)\)\(e\left(\frac{9}{20}\right)\)\(e\left(\frac{71}{80}\right)\)\(e\left(\frac{7}{40}\right)\)\(e\left(\frac{3}{5}\right)\)\(e\left(\frac{49}{80}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{27}{40}\right)\)\(e\left(\frac{15}{16}\right)\)\(e\left(\frac{13}{40}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2805 }(1637,a) \;\) at \(\;a = \) e.g. 2