Properties

Label 8020.7
Modulus $8020$
Conductor $8020$
Order $200$
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(200))
 
M = H._module
 
chi = DirichletCharacter(H, M([100,50,31]))
 
pari: [g,chi] = znchar(Mod(7,8020))
 

Basic properties

Modulus: \(8020\)
Conductor: \(8020\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(200\)
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.ds

\(\chi_{8020}(7,\cdot)\) \(\chi_{8020}(323,\cdot)\) \(\chi_{8020}(343,\cdot)\) \(\chi_{8020}(403,\cdot)\) \(\chi_{8020}(483,\cdot)\) \(\chi_{8020}(587,\cdot)\) \(\chi_{8020}(627,\cdot)\) \(\chi_{8020}(1043,\cdot)\) \(\chi_{8020}(1063,\cdot)\) \(\chi_{8020}(1167,\cdot)\) \(\chi_{8020}(1247,\cdot)\) \(\chi_{8020}(1343,\cdot)\) \(\chi_{8020}(1363,\cdot)\) \(\chi_{8020}(1647,\cdot)\) \(\chi_{8020}(1707,\cdot)\) \(\chi_{8020}(1807,\cdot)\) \(\chi_{8020}(1867,\cdot)\) \(\chi_{8020}(1923,\cdot)\) \(\chi_{8020}(2003,\cdot)\) \(\chi_{8020}(2063,\cdot)\) \(\chi_{8020}(2083,\cdot)\) \(\chi_{8020}(2247,\cdot)\) \(\chi_{8020}(2587,\cdot)\) \(\chi_{8020}(2607,\cdot)\) \(\chi_{8020}(2627,\cdot)\) \(\chi_{8020}(2663,\cdot)\) \(\chi_{8020}(2767,\cdot)\) \(\chi_{8020}(2847,\cdot)\) \(\chi_{8020}(2983,\cdot)\) \(\chi_{8020}(2987,\cdot)\) ...

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: $\Q(\zeta_{200})$
Fixed field: Number field defined by a degree 200 polynomial (not computed)

Values on generators

\((4011,6417,7221)\) → \((-1,i,e\left(\frac{31}{200}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 8020 }(7, a) \) \(1\)\(1\)\(e\left(\frac{81}{200}\right)\)\(e\left(\frac{9}{25}\right)\)\(e\left(\frac{81}{100}\right)\)\(e\left(\frac{57}{100}\right)\)\(e\left(\frac{39}{200}\right)\)\(e\left(\frac{123}{200}\right)\)\(e\left(\frac{53}{200}\right)\)\(e\left(\frac{153}{200}\right)\)\(e\left(\frac{71}{200}\right)\)\(e\left(\frac{43}{200}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8020 }(7,a) \;\) at \(\;a = \) e.g. 2