Properties

Label 280.221
Modulus $280$
Conductor $56$
Order $6$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Learn more

Show commands for: Pari/GP / SageMath
sage: from sage.modular.dirichlet import DirichletCharacter
 
sage: H = DirichletGroup(280, base_ring=CyclotomicField(6))
 
sage: M = H._module
 
sage: chi = DirichletCharacter(H, M([0,3,0,4]))
 
pari: [g,chi] = znchar(Mod(221,280))
 

Basic properties

Modulus: \(280\)
Conductor: \(56\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(6\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{56}(53,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 280.bl

\(\chi_{280}(221,\cdot)\) \(\chi_{280}(261,\cdot)\)

sage: chi.galois_orbit()
 
pari: order = charorder(g,chi)
 
pari: [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\sqrt{-3}) \)
Fixed field: 6.6.1229312.1

Values on generators

\((71,141,57,241)\) → \((1,-1,1,e\left(\frac{2}{3}\right))\)

Values

\(-1\)\(1\)\(3\)\(9\)\(11\)\(13\)\(17\)\(19\)\(23\)\(27\)\(29\)\(31\)
\(1\)\(1\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{1}{6}\right)\)\(-1\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{1}{3}\right)\)\(-1\)\(-1\)\(e\left(\frac{2}{3}\right)\)
value at e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 280 }(221,·) )\;\) at \(\;a = \) e.g. 2
\(\displaystyle \tau_{2}(\chi_{280}(221,\cdot)) = \sum_{r\in \Z/280\Z} \chi_{280}(221,r) e\left(\frac{r}{140}\right) = 0.0 \)

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 280 }(221,·),\chi_{ 280 }(n,·)) \;\) for \( \; n = \) e.g. 1
\( \displaystyle J(\chi_{280}(221,\cdot),\chi_{280}(1,\cdot)) = \sum_{r\in \Z/280\Z} \chi_{280}(221,r) \chi_{280}(1,1-r) = 0 \)

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 280 }(221,·)) \;\) at \(\; a,b = \) e.g. 1,2
\( \displaystyle K(1,2,\chi_{280}(221,·)) = \sum_{r \in \Z/280\Z} \chi_{280}(221,r) e\left(\frac{1 r + 2 r^{-1}}{280}\right) = -6.2098220293+-10.7557272607i \)