Properties

Label 2-1028-1.1-c5-0-25
Degree $2$
Conductor $1028$
Sign $1$
Analytic cond. $164.874$
Root an. cond. $12.8403$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 29.5·3-s − 107.·5-s − 142.·7-s + 628.·9-s + 553.·11-s + 856.·13-s + 3.16e3·15-s − 974.·17-s − 726.·19-s + 4.19e3·21-s + 3.14e3·23-s + 8.36e3·25-s − 1.13e4·27-s + 1.05e3·29-s + 9.54e3·31-s − 1.63e4·33-s + 1.52e4·35-s + 1.35e4·37-s − 2.52e4·39-s − 1.38e4·41-s − 4.94e3·43-s − 6.73e4·45-s + 2.09e4·47-s + 3.43e3·49-s + 2.87e4·51-s + 1.36e4·53-s − 5.93e4·55-s + ⋯
L(s)  = 1  − 1.89·3-s − 1.91·5-s − 1.09·7-s + 2.58·9-s + 1.37·11-s + 1.40·13-s + 3.63·15-s − 0.818·17-s − 0.461·19-s + 2.07·21-s + 1.23·23-s + 2.67·25-s − 2.99·27-s + 0.233·29-s + 1.78·31-s − 2.61·33-s + 2.10·35-s + 1.62·37-s − 2.66·39-s − 1.29·41-s − 0.408·43-s − 4.95·45-s + 1.38·47-s + 0.204·49-s + 1.54·51-s + 0.665·53-s − 2.64·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1028 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1028 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1028\)    =    \(2^{2} \cdot 257\)
Sign: $1$
Analytic conductor: \(164.874\)
Root analytic conductor: \(12.8403\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1028,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(0.7416991225\)
\(L(\frac12)\) \(\approx\) \(0.7416991225\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
257 \( 1 + 6.60e4T \)
good3 \( 1 + 29.5T + 243T^{2} \)
5 \( 1 + 107.T + 3.12e3T^{2} \)
7 \( 1 + 142.T + 1.68e4T^{2} \)
11 \( 1 - 553.T + 1.61e5T^{2} \)
13 \( 1 - 856.T + 3.71e5T^{2} \)
17 \( 1 + 974.T + 1.41e6T^{2} \)
19 \( 1 + 726.T + 2.47e6T^{2} \)
23 \( 1 - 3.14e3T + 6.43e6T^{2} \)
29 \( 1 - 1.05e3T + 2.05e7T^{2} \)
31 \( 1 - 9.54e3T + 2.86e7T^{2} \)
37 \( 1 - 1.35e4T + 6.93e7T^{2} \)
41 \( 1 + 1.38e4T + 1.15e8T^{2} \)
43 \( 1 + 4.94e3T + 1.47e8T^{2} \)
47 \( 1 - 2.09e4T + 2.29e8T^{2} \)
53 \( 1 - 1.36e4T + 4.18e8T^{2} \)
59 \( 1 + 3.42e4T + 7.14e8T^{2} \)
61 \( 1 - 3.59e4T + 8.44e8T^{2} \)
67 \( 1 + 771.T + 1.35e9T^{2} \)
71 \( 1 + 5.85e4T + 1.80e9T^{2} \)
73 \( 1 - 2.35e4T + 2.07e9T^{2} \)
79 \( 1 - 8.66e3T + 3.07e9T^{2} \)
83 \( 1 - 7.89e4T + 3.93e9T^{2} \)
89 \( 1 + 1.38e4T + 5.58e9T^{2} \)
97 \( 1 - 588.T + 8.58e9T^{2} \)
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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

−9.215822210667343203817541357404, −8.363229834089297106907408450305, −7.10393753181822533420372079300, −6.60107108645089145483346392659, −6.11340834957112294248749591599, −4.64906419300099161700420668671, −4.15655503209182367769103552030, −3.34066076450369944318089934568, −1.03097922791804315092297890388, −0.55656991012825403107431546318, 0.55656991012825403107431546318, 1.03097922791804315092297890388, 3.34066076450369944318089934568, 4.15655503209182367769103552030, 4.64906419300099161700420668671, 6.11340834957112294248749591599, 6.60107108645089145483346392659, 7.10393753181822533420372079300, 8.363229834089297106907408450305, 9.215822210667343203817541357404

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