Properties

Label 2808.97
Modulus $2808$
Conductor $351$
Order $36$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2808, base_ring=CyclotomicField(36))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,0,8,15]))
 
pari: [g,chi] = znchar(Mod(97,2808))
 

Basic properties

Modulus: \(2808\)
Conductor: \(351\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(36\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{351}(97,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2808.hf

\(\chi_{2808}(97,\cdot)\) \(\chi_{2808}(193,\cdot)\) \(\chi_{2808}(241,\cdot)\) \(\chi_{2808}(769,\cdot)\) \(\chi_{2808}(1033,\cdot)\) \(\chi_{2808}(1129,\cdot)\) \(\chi_{2808}(1177,\cdot)\) \(\chi_{2808}(1705,\cdot)\) \(\chi_{2808}(1969,\cdot)\) \(\chi_{2808}(2065,\cdot)\) \(\chi_{2808}(2113,\cdot)\) \(\chi_{2808}(2641,\cdot)\)

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: \(\Q(\zeta_{36})\)
Fixed field: Number field defined by a degree 36 polynomial

Values on generators

\((703,1405,2081,1081)\) → \((1,1,e\left(\frac{2}{9}\right),e\left(\frac{5}{12}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(35\)
\( \chi_{ 2808 }(97, a) \) \(-1\)\(1\)\(e\left(\frac{31}{36}\right)\)\(e\left(\frac{5}{36}\right)\)\(e\left(\frac{29}{36}\right)\)\(e\left(\frac{1}{6}\right)\)\(-i\)\(e\left(\frac{11}{18}\right)\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{8}{9}\right)\)\(e\left(\frac{7}{36}\right)\)\(1\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2808 }(97,a) \;\) at \(\;a = \) e.g. 2