Properties

Label 2-2e8-4.3-c10-0-33
Degree $2$
Conductor $256$
Sign $-i$
Analytic cond. $162.651$
Root an. cond. $12.7534$
Motivic weight $10$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 482i·3-s − 1.73e5·9-s − 9.74e4i·11-s + 8.23e5·17-s − 3.35e6i·19-s − 9.76e6·25-s − 5.50e7i·27-s + 4.69e7·33-s + 3.77e7·41-s + 2.14e8i·43-s + 2.82e8·49-s + 3.97e8i·51-s + 1.61e9·57-s + 9.21e8i·59-s − 1.81e9i·67-s + ⋯
L(s)  = 1  + 1.98i·3-s − 2.93·9-s − 0.604i·11-s + 0.580·17-s − 1.35i·19-s − 25-s − 3.83i·27-s + 1.19·33-s + 0.326·41-s + 1.45i·43-s + 49-s + 1.15i·51-s + 2.68·57-s + 1.28i·59-s − 1.34i·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(11-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s+5) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(256\)    =    \(2^{8}\)
Sign: $-i$
Analytic conductor: \(162.651\)
Root analytic conductor: \(12.7534\)
Motivic weight: \(10\)
Rational: no
Arithmetic: yes
Character: $\chi_{256} (255, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 256,\ (\ :5),\ -i)\)

Particular Values

\(L(\frac{11}{2})\) \(\approx\) \(1.689239016\)
\(L(\frac12)\) \(\approx\) \(1.689239016\)
\(L(6)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 - 482iT - 5.90e4T^{2} \)
5 \( 1 + 9.76e6T^{2} \)
7 \( 1 - 2.82e8T^{2} \)
11 \( 1 + 9.74e4iT - 2.59e10T^{2} \)
13 \( 1 + 1.37e11T^{2} \)
17 \( 1 - 8.23e5T + 2.01e12T^{2} \)
19 \( 1 + 3.35e6iT - 6.13e12T^{2} \)
23 \( 1 - 4.14e13T^{2} \)
29 \( 1 + 4.20e14T^{2} \)
31 \( 1 - 8.19e14T^{2} \)
37 \( 1 + 4.80e15T^{2} \)
41 \( 1 - 3.77e7T + 1.34e16T^{2} \)
43 \( 1 - 2.14e8iT - 2.16e16T^{2} \)
47 \( 1 - 5.25e16T^{2} \)
53 \( 1 + 1.74e17T^{2} \)
59 \( 1 - 9.21e8iT - 5.11e17T^{2} \)
61 \( 1 + 7.13e17T^{2} \)
67 \( 1 + 1.81e9iT - 1.82e18T^{2} \)
71 \( 1 - 3.25e18T^{2} \)
73 \( 1 - 1.60e9T + 4.29e18T^{2} \)
79 \( 1 - 9.46e18T^{2} \)
83 \( 1 + 9.60e7iT - 1.55e19T^{2} \)
89 \( 1 - 1.11e10T + 3.11e19T^{2} \)
97 \( 1 + 9.87e9T + 7.37e19T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.44996959375959412656498383240, −9.530246646998225052355593058030, −8.928324437181341910535031516361, −7.889482939787529280966031084479, −6.17876630079453317565723370794, −5.29156774411664826667751814231, −4.41341621863886440883815292058, −3.48541049697589242675472413985, −2.60438409491548692666674371807, −0.55442742998783047365003468062, 0.57064901195125456626994626102, 1.59807298254026733413003745800, 2.30727010003834163071107601618, 3.61166245656403964721368432477, 5.43549409507043161827830056186, 6.19127811717823210904449633741, 7.22149046588938741939410715390, 7.82142824514339963800788591670, 8.689795877256466681096002823846, 9.999267421130649003589759234443

Graph of the $Z$-function along the critical line