Properties

Label 1911.85
Modulus $1911$
Conductor $637$
Order $84$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1911, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,24,77]))
 
pari: [g,chi] = znchar(Mod(85,1911))
 

Basic properties

Modulus: \(1911\)
Conductor: \(637\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{637}(85,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1911.ed

\(\chi_{1911}(85,\cdot)\) \(\chi_{1911}(106,\cdot)\) \(\chi_{1911}(232,\cdot)\) \(\chi_{1911}(253,\cdot)\) \(\chi_{1911}(358,\cdot)\) \(\chi_{1911}(379,\cdot)\) \(\chi_{1911}(505,\cdot)\) \(\chi_{1911}(526,\cdot)\) \(\chi_{1911}(631,\cdot)\) \(\chi_{1911}(652,\cdot)\) \(\chi_{1911}(778,\cdot)\) \(\chi_{1911}(799,\cdot)\) \(\chi_{1911}(904,\cdot)\) \(\chi_{1911}(925,\cdot)\) \(\chi_{1911}(1051,\cdot)\) \(\chi_{1911}(1072,\cdot)\) \(\chi_{1911}(1198,\cdot)\) \(\chi_{1911}(1345,\cdot)\) \(\chi_{1911}(1450,\cdot)\) \(\chi_{1911}(1597,\cdot)\) \(\chi_{1911}(1723,\cdot)\) \(\chi_{1911}(1744,\cdot)\) \(\chi_{1911}(1870,\cdot)\) \(\chi_{1911}(1891,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((638,1522,1471)\) → \((1,e\left(\frac{2}{7}\right),e\left(\frac{11}{12}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(8\)\(10\)\(11\)\(16\)\(17\)\(19\)\(20\)
\( \chi_{ 1911 }(85, a) \) \(-1\)\(1\)\(e\left(\frac{29}{84}\right)\)\(e\left(\frac{29}{42}\right)\)\(e\left(\frac{15}{28}\right)\)\(e\left(\frac{1}{28}\right)\)\(e\left(\frac{37}{42}\right)\)\(e\left(\frac{71}{84}\right)\)\(e\left(\frac{8}{21}\right)\)\(e\left(\frac{41}{42}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{19}{84}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1911 }(85,a) \;\) at \(\;a = \) e.g. 2