Properties

Label 2-1028-1.1-c5-0-70
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 30.6·3-s + 42.6·5-s + 15.7·7-s + 697.·9-s + 262.·11-s + 483.·13-s − 1.30e3·15-s − 1.47e3·17-s + 2.27e3·19-s − 484.·21-s + 259.·23-s − 1.30e3·25-s − 1.39e4·27-s − 6.86e3·29-s − 1.61e3·31-s − 8.04e3·33-s + 672.·35-s − 5.14e3·37-s − 1.48e4·39-s + 7.06e3·41-s + 2.12e4·43-s + 2.97e4·45-s − 1.37e4·47-s − 1.65e4·49-s + 4.53e4·51-s + 6.09e3·53-s + 1.11e4·55-s + ⋯
L(s)  = 1  − 1.96·3-s + 0.762·5-s + 0.121·7-s + 2.87·9-s + 0.653·11-s + 0.792·13-s − 1.49·15-s − 1.24·17-s + 1.44·19-s − 0.239·21-s + 0.102·23-s − 0.418·25-s − 3.68·27-s − 1.51·29-s − 0.300·31-s − 1.28·33-s + 0.0928·35-s − 0.617·37-s − 1.55·39-s + 0.656·41-s + 1.75·43-s + 2.18·45-s − 0.908·47-s − 0.985·49-s + 2.44·51-s + 0.298·53-s + 0.497·55-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: \(1\)
Selberg data: \((2,\ 1028,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) 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 \( 1 + 30.6T + 243T^{2} \)
5 \( 1 - 42.6T + 3.12e3T^{2} \)
7 \( 1 - 15.7T + 1.68e4T^{2} \)
11 \( 1 - 262.T + 1.61e5T^{2} \)
13 \( 1 - 483.T + 3.71e5T^{2} \)
17 \( 1 + 1.47e3T + 1.41e6T^{2} \)
19 \( 1 - 2.27e3T + 2.47e6T^{2} \)
23 \( 1 - 259.T + 6.43e6T^{2} \)
29 \( 1 + 6.86e3T + 2.05e7T^{2} \)
31 \( 1 + 1.61e3T + 2.86e7T^{2} \)
37 \( 1 + 5.14e3T + 6.93e7T^{2} \)
41 \( 1 - 7.06e3T + 1.15e8T^{2} \)
43 \( 1 - 2.12e4T + 1.47e8T^{2} \)
47 \( 1 + 1.37e4T + 2.29e8T^{2} \)
53 \( 1 - 6.09e3T + 4.18e8T^{2} \)
59 \( 1 + 2.43e4T + 7.14e8T^{2} \)
61 \( 1 + 1.50e4T + 8.44e8T^{2} \)
67 \( 1 + 3.90e4T + 1.35e9T^{2} \)
71 \( 1 - 6.04e4T + 1.80e9T^{2} \)
73 \( 1 - 9.21e3T + 2.07e9T^{2} \)
79 \( 1 + 3.33e4T + 3.07e9T^{2} \)
83 \( 1 - 1.88e4T + 3.93e9T^{2} \)
89 \( 1 - 3.05e4T + 5.58e9T^{2} \)
97 \( 1 + 2.20e4T + 8.58e9T^{2} \)
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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

−9.220560700391687762990552440800, −7.62305944550221169604476637153, −6.82099420879896016447421730581, −6.05139054744489404465843720809, −5.58135519434477608128928355421, −4.66564517265823849598482842293, −3.74334407008027297241115257818, −1.85601163205971324695710725611, −1.12313309138799541757669326525, 0, 1.12313309138799541757669326525, 1.85601163205971324695710725611, 3.74334407008027297241115257818, 4.66564517265823849598482842293, 5.58135519434477608128928355421, 6.05139054744489404465843720809, 6.82099420879896016447421730581, 7.62305944550221169604476637153, 9.220560700391687762990552440800

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