Properties

Label 2805.1306
Modulus $2805$
Conductor $187$
Order $80$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2805, base_ring=CyclotomicField(80))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,0,24,45]))
 
pari: [g,chi] = znchar(Mod(1306,2805))
 

Basic properties

Modulus: \(2805\)
Conductor: \(187\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(80\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{187}(184,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2805.fg

\(\chi_{2805}(46,\cdot)\) \(\chi_{2805}(61,\cdot)\) \(\chi_{2805}(211,\cdot)\) \(\chi_{2805}(226,\cdot)\) \(\chi_{2805}(316,\cdot)\) \(\chi_{2805}(436,\cdot)\) \(\chi_{2805}(481,\cdot)\) \(\chi_{2805}(541,\cdot)\) \(\chi_{2805}(556,\cdot)\) \(\chi_{2805}(601,\cdot)\) \(\chi_{2805}(721,\cdot)\) \(\chi_{2805}(811,\cdot)\) \(\chi_{2805}(976,\cdot)\) \(\chi_{2805}(1051,\cdot)\) \(\chi_{2805}(1201,\cdot)\) \(\chi_{2805}(1261,\cdot)\) \(\chi_{2805}(1306,\cdot)\) \(\chi_{2805}(1366,\cdot)\) \(\chi_{2805}(1591,\cdot)\) \(\chi_{2805}(1711,\cdot)\) \(\chi_{2805}(1756,\cdot)\) \(\chi_{2805}(1876,\cdot)\) \(\chi_{2805}(1966,\cdot)\) \(\chi_{2805}(2026,\cdot)\) \(\chi_{2805}(2086,\cdot)\) \(\chi_{2805}(2131,\cdot)\) \(\chi_{2805}(2251,\cdot)\) \(\chi_{2805}(2356,\cdot)\) \(\chi_{2805}(2521,\cdot)\) \(\chi_{2805}(2536,\cdot)\) ...

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

\((1871,562,1531,496)\) → \((1,1,e\left(\frac{3}{10}\right),e\left(\frac{9}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(13\)\(14\)\(16\)\(19\)\(23\)\(26\)
\( \chi_{ 2805 }(1306, a) \) \(1\)\(1\)\(e\left(\frac{7}{40}\right)\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{23}{80}\right)\)\(e\left(\frac{21}{40}\right)\)\(e\left(\frac{11}{20}\right)\)\(e\left(\frac{37}{80}\right)\)\(e\left(\frac{7}{10}\right)\)\(e\left(\frac{31}{40}\right)\)\(e\left(\frac{7}{16}\right)\)\(e\left(\frac{29}{40}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2805 }(1306,a) \;\) at \(\;a = \) e.g. 2