Properties

Label 972.17
Modulus $972$
Conductor $81$
Order $54$
Real no
Primitive no
Minimal no
Parity odd

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(972, base_ring=CyclotomicField(54))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,11]))
 
pari: [g,chi] = znchar(Mod(17,972))
 

Basic properties

Modulus: \(972\)
Conductor: \(81\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(54\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{81}(23,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 972.o

\(\chi_{972}(17,\cdot)\) \(\chi_{972}(89,\cdot)\) \(\chi_{972}(125,\cdot)\) \(\chi_{972}(197,\cdot)\) \(\chi_{972}(233,\cdot)\) \(\chi_{972}(305,\cdot)\) \(\chi_{972}(341,\cdot)\) \(\chi_{972}(413,\cdot)\) \(\chi_{972}(449,\cdot)\) \(\chi_{972}(521,\cdot)\) \(\chi_{972}(557,\cdot)\) \(\chi_{972}(629,\cdot)\) \(\chi_{972}(665,\cdot)\) \(\chi_{972}(737,\cdot)\) \(\chi_{972}(773,\cdot)\) \(\chi_{972}(845,\cdot)\) \(\chi_{972}(881,\cdot)\) \(\chi_{972}(953,\cdot)\)

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: \(\Q(\zeta_{27})\)
Fixed field: Number field defined by a degree 54 polynomial

Values on generators

\((487,245)\) → \((1,e\left(\frac{11}{54}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)
\( \chi_{ 972 }(17, a) \) \(-1\)\(1\)\(e\left(\frac{37}{54}\right)\)\(e\left(\frac{7}{27}\right)\)\(e\left(\frac{35}{54}\right)\)\(e\left(\frac{17}{27}\right)\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{7}{9}\right)\)\(e\left(\frac{13}{54}\right)\)\(e\left(\frac{10}{27}\right)\)\(e\left(\frac{29}{54}\right)\)\(e\left(\frac{2}{27}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 972 }(17,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 972 }(17,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 972 }(17,·),\chi_{ 972 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 972 }(17,·)) \;\) at \(\; a,b = \) e.g. 1,2