Properties

Label 8020.17
Modulus $8020$
Conductor $2005$
Order $400$
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(8020, base_ring=CyclotomicField(400))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,100,383]))
 
pari: [g,chi] = znchar(Mod(17,8020))
 

Basic properties

Modulus: \(8020\)
Conductor: \(2005\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(400\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2005}(17,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8020.dy

\(\chi_{8020}(17,\cdot)\) \(\chi_{8020}(53,\cdot)\) \(\chi_{8020}(97,\cdot)\) \(\chi_{8020}(233,\cdot)\) \(\chi_{8020}(277,\cdot)\) \(\chi_{8020}(377,\cdot)\) \(\chi_{8020}(413,\cdot)\) \(\chi_{8020}(497,\cdot)\) \(\chi_{8020}(553,\cdot)\) \(\chi_{8020}(593,\cdot)\) \(\chi_{8020}(637,\cdot)\) \(\chi_{8020}(697,\cdot)\) \(\chi_{8020}(717,\cdot)\) \(\chi_{8020}(737,\cdot)\) \(\chi_{8020}(873,\cdot)\) \(\chi_{8020}(893,\cdot)\) \(\chi_{8020}(897,\cdot)\) \(\chi_{8020}(917,\cdot)\) \(\chi_{8020}(933,\cdot)\) \(\chi_{8020}(937,\cdot)\) \(\chi_{8020}(993,\cdot)\) \(\chi_{8020}(1013,\cdot)\) \(\chi_{8020}(1033,\cdot)\) \(\chi_{8020}(1073,\cdot)\) \(\chi_{8020}(1097,\cdot)\) \(\chi_{8020}(1197,\cdot)\) \(\chi_{8020}(1277,\cdot)\) \(\chi_{8020}(1333,\cdot)\) \(\chi_{8020}(1337,\cdot)\) \(\chi_{8020}(1373,\cdot)\) ...

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: $\Q(\zeta_{400})$
Fixed field: Number field defined by a degree 400 polynomial (not computed)

Values on generators

\((4011,6417,7221)\) → \((1,i,e\left(\frac{383}{400}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 8020 }(17, a) \) \(1\)\(1\)\(e\left(\frac{283}{400}\right)\)\(e\left(\frac{123}{200}\right)\)\(e\left(\frac{83}{200}\right)\)\(e\left(\frac{151}{200}\right)\)\(e\left(\frac{77}{400}\right)\)\(e\left(\frac{389}{400}\right)\)\(e\left(\frac{229}{400}\right)\)\(e\left(\frac{129}{400}\right)\)\(e\left(\frac{153}{400}\right)\)\(e\left(\frac{49}{400}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8020 }(17,a) \;\) at \(\;a = \) e.g. 2