Properties

Label 8020.19
Modulus $8020$
Conductor $8020$
Order $400$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8020, base_ring=CyclotomicField(400))
 
M = H._module
 
chi = DirichletCharacter(H, M([200,200,163]))
 
pari: [g,chi] = znchar(Mod(19,8020))
 

Basic properties

Modulus: \(8020\)
Conductor: \(8020\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(400\)
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 8020.ed

\(\chi_{8020}(19,\cdot)\) \(\chi_{8020}(59,\cdot)\) \(\chi_{8020}(79,\cdot)\) \(\chi_{8020}(139,\cdot)\) \(\chi_{8020}(219,\cdot)\) \(\chi_{8020}(279,\cdot)\) \(\chi_{8020}(339,\cdot)\) \(\chi_{8020}(359,\cdot)\) \(\chi_{8020}(439,\cdot)\) \(\chi_{8020}(519,\cdot)\) \(\chi_{8020}(639,\cdot)\) \(\chi_{8020}(659,\cdot)\) \(\chi_{8020}(679,\cdot)\) \(\chi_{8020}(779,\cdot)\) \(\chi_{8020}(799,\cdot)\) \(\chi_{8020}(819,\cdot)\) \(\chi_{8020}(839,\cdot)\) \(\chi_{8020}(899,\cdot)\) \(\chi_{8020}(919,\cdot)\) \(\chi_{8020}(939,\cdot)\) \(\chi_{8020}(1019,\cdot)\) \(\chi_{8020}(1079,\cdot)\) \(\chi_{8020}(1099,\cdot)\) \(\chi_{8020}(1179,\cdot)\) \(\chi_{8020}(1299,\cdot)\) \(\chi_{8020}(1339,\cdot)\) \(\chi_{8020}(1419,\cdot)\) \(\chi_{8020}(1439,\cdot)\) \(\chi_{8020}(1499,\cdot)\) \(\chi_{8020}(1519,\cdot)\) ...

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

\((4011,6417,7221)\) → \((-1,-1,e\left(\frac{163}{400}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 8020 }(19, a) \) \(1\)\(1\)\(e\left(\frac{163}{400}\right)\)\(e\left(\frac{53}{200}\right)\)\(e\left(\frac{163}{200}\right)\)\(e\left(\frac{111}{200}\right)\)\(e\left(\frac{197}{400}\right)\)\(e\left(\frac{229}{400}\right)\)\(e\left(\frac{369}{400}\right)\)\(e\left(\frac{269}{400}\right)\)\(e\left(\frac{233}{400}\right)\)\(e\left(\frac{89}{400}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8020 }(19,a) \;\) at \(\;a = \) e.g. 2