Properties

Label 2-1028-1.1-c5-0-12
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  − 13.0·3-s + 23.8·5-s + 161.·7-s − 71.4·9-s − 675.·11-s − 631.·13-s − 313.·15-s − 1.09e3·17-s − 2.77e3·19-s − 2.12e3·21-s − 1.12e3·23-s − 2.55e3·25-s + 4.11e3·27-s − 613.·29-s − 6.88e3·31-s + 8.84e3·33-s + 3.87e3·35-s + 7.54e3·37-s + 8.27e3·39-s + 9.83e3·41-s + 5.25e3·43-s − 1.70e3·45-s − 1.40e4·47-s + 9.41e3·49-s + 1.43e4·51-s + 8.79e3·53-s − 1.61e4·55-s + ⋯
L(s)  = 1  − 0.840·3-s + 0.427·5-s + 1.24·7-s − 0.293·9-s − 1.68·11-s − 1.03·13-s − 0.359·15-s − 0.918·17-s − 1.76·19-s − 1.04·21-s − 0.443·23-s − 0.817·25-s + 1.08·27-s − 0.135·29-s − 1.28·31-s + 1.41·33-s + 0.534·35-s + 0.906·37-s + 0.871·39-s + 0.913·41-s + 0.433·43-s − 0.125·45-s − 0.928·47-s + 0.560·49-s + 0.771·51-s + 0.430·53-s − 0.719·55-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

\(L(3)\) \(\approx\) \(0.5139087011\)
\(L(\frac12)\) \(\approx\) \(0.5139087011\)
\(L(\frac{7}{2})\) 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 \( 1 + 13.0T + 243T^{2} \)
5 \( 1 - 23.8T + 3.12e3T^{2} \)
7 \( 1 - 161.T + 1.68e4T^{2} \)
11 \( 1 + 675.T + 1.61e5T^{2} \)
13 \( 1 + 631.T + 3.71e5T^{2} \)
17 \( 1 + 1.09e3T + 1.41e6T^{2} \)
19 \( 1 + 2.77e3T + 2.47e6T^{2} \)
23 \( 1 + 1.12e3T + 6.43e6T^{2} \)
29 \( 1 + 613.T + 2.05e7T^{2} \)
31 \( 1 + 6.88e3T + 2.86e7T^{2} \)
37 \( 1 - 7.54e3T + 6.93e7T^{2} \)
41 \( 1 - 9.83e3T + 1.15e8T^{2} \)
43 \( 1 - 5.25e3T + 1.47e8T^{2} \)
47 \( 1 + 1.40e4T + 2.29e8T^{2} \)
53 \( 1 - 8.79e3T + 4.18e8T^{2} \)
59 \( 1 + 4.48e3T + 7.14e8T^{2} \)
61 \( 1 + 4.42e4T + 8.44e8T^{2} \)
67 \( 1 - 5.40e4T + 1.35e9T^{2} \)
71 \( 1 - 4.99e4T + 1.80e9T^{2} \)
73 \( 1 + 1.93e3T + 2.07e9T^{2} \)
79 \( 1 - 4.01e4T + 3.07e9T^{2} \)
83 \( 1 - 1.21e4T + 3.93e9T^{2} \)
89 \( 1 - 2.34e4T + 5.58e9T^{2} \)
97 \( 1 + 4.45e4T + 8.58e9T^{2} \)
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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

−9.231352967236110083821037566583, −8.184936175012806081044462026699, −7.70263535796507079915003643044, −6.51519092943657000423922750987, −5.63065119892573384637940098709, −5.03004157342922720864167635859, −4.29714696726293955296130884057, −2.48491183618505511805271681462, −1.98747750241281218193949422297, −0.30267259287847879219039794125, 0.30267259287847879219039794125, 1.98747750241281218193949422297, 2.48491183618505511805271681462, 4.29714696726293955296130884057, 5.03004157342922720864167635859, 5.63065119892573384637940098709, 6.51519092943657000423922750987, 7.70263535796507079915003643044, 8.184936175012806081044462026699, 9.231352967236110083821037566583

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