Properties

Label 8020.49
Modulus $8020$
Conductor $2005$
Order $100$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8020, base_ring=CyclotomicField(100))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,50,31]))
 
pari: [g,chi] = znchar(Mod(49,8020))
 

Basic properties

Modulus: \(8020\)
Conductor: \(2005\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(100\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2005}(49,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8020.dd

\(\chi_{8020}(49,\cdot)\) \(\chi_{8020}(69,\cdot)\) \(\chi_{8020}(149,\cdot)\) \(\chi_{8020}(689,\cdot)\) \(\chi_{8020}(709,\cdot)\) \(\chi_{8020}(1109,\cdot)\) \(\chi_{8020}(1849,\cdot)\) \(\chi_{8020}(1889,\cdot)\) \(\chi_{8020}(2009,\cdot)\) \(\chi_{8020}(2069,\cdot)\) \(\chi_{8020}(2209,\cdot)\) \(\chi_{8020}(2349,\cdot)\) \(\chi_{8020}(2589,\cdot)\) \(\chi_{8020}(2789,\cdot)\) \(\chi_{8020}(3109,\cdot)\) \(\chi_{8020}(3289,\cdot)\) \(\chi_{8020}(3329,\cdot)\) \(\chi_{8020}(3509,\cdot)\) \(\chi_{8020}(3709,\cdot)\) \(\chi_{8020}(3889,\cdot)\) \(\chi_{8020}(3929,\cdot)\) \(\chi_{8020}(4109,\cdot)\) \(\chi_{8020}(4429,\cdot)\) \(\chi_{8020}(4629,\cdot)\) \(\chi_{8020}(4869,\cdot)\) \(\chi_{8020}(5009,\cdot)\) \(\chi_{8020}(5149,\cdot)\) \(\chi_{8020}(5209,\cdot)\) \(\chi_{8020}(5329,\cdot)\) \(\chi_{8020}(5369,\cdot)\) ...

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: $\Q(\zeta_{100})$
Fixed field: Number field defined by a degree 100 polynomial

Values on generators

\((4011,6417,7221)\) → \((1,-1,e\left(\frac{31}{100}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 8020 }(49, a) \) \(1\)\(1\)\(e\left(\frac{81}{100}\right)\)\(e\left(\frac{18}{25}\right)\)\(e\left(\frac{31}{50}\right)\)\(e\left(\frac{7}{50}\right)\)\(e\left(\frac{39}{100}\right)\)\(e\left(\frac{23}{100}\right)\)\(e\left(\frac{53}{100}\right)\)\(e\left(\frac{53}{100}\right)\)\(e\left(\frac{71}{100}\right)\)\(e\left(\frac{43}{100}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8020 }(49,a) \;\) at \(\;a = \) e.g. 2