Properties

Label 2-1028-1.1-c5-0-8
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  − 20.0·3-s − 46.6·5-s + 25.6·7-s + 157.·9-s + 355.·11-s − 865.·13-s + 933.·15-s − 1.62e3·17-s − 1.54e3·19-s − 513.·21-s + 4.74e3·23-s − 948.·25-s + 1.71e3·27-s + 2.02e3·29-s − 907.·31-s − 7.10e3·33-s − 1.19e3·35-s − 1.20e4·37-s + 1.73e4·39-s − 5.58e3·41-s − 3.32e3·43-s − 7.34e3·45-s + 1.07e4·47-s − 1.61e4·49-s + 3.24e4·51-s + 1.79e4·53-s − 1.65e4·55-s + ⋯
L(s)  = 1  − 1.28·3-s − 0.834·5-s + 0.197·7-s + 0.648·9-s + 0.884·11-s − 1.42·13-s + 1.07·15-s − 1.36·17-s − 0.982·19-s − 0.253·21-s + 1.87·23-s − 0.303·25-s + 0.451·27-s + 0.446·29-s − 0.169·31-s − 1.13·33-s − 0.165·35-s − 1.44·37-s + 1.82·39-s − 0.518·41-s − 0.274·43-s − 0.540·45-s + 0.712·47-s − 0.960·49-s + 1.74·51-s + 0.876·53-s − 0.738·55-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

\(L(3)\) \(\approx\) \(0.2039075163\)
\(L(\frac12)\) \(\approx\) \(0.2039075163\)
\(L(\frac{7}{2})\) 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 \( 1 + 20.0T + 243T^{2} \)
5 \( 1 + 46.6T + 3.12e3T^{2} \)
7 \( 1 - 25.6T + 1.68e4T^{2} \)
11 \( 1 - 355.T + 1.61e5T^{2} \)
13 \( 1 + 865.T + 3.71e5T^{2} \)
17 \( 1 + 1.62e3T + 1.41e6T^{2} \)
19 \( 1 + 1.54e3T + 2.47e6T^{2} \)
23 \( 1 - 4.74e3T + 6.43e6T^{2} \)
29 \( 1 - 2.02e3T + 2.05e7T^{2} \)
31 \( 1 + 907.T + 2.86e7T^{2} \)
37 \( 1 + 1.20e4T + 6.93e7T^{2} \)
41 \( 1 + 5.58e3T + 1.15e8T^{2} \)
43 \( 1 + 3.32e3T + 1.47e8T^{2} \)
47 \( 1 - 1.07e4T + 2.29e8T^{2} \)
53 \( 1 - 1.79e4T + 4.18e8T^{2} \)
59 \( 1 + 6.40e3T + 7.14e8T^{2} \)
61 \( 1 + 5.38e4T + 8.44e8T^{2} \)
67 \( 1 + 2.05e4T + 1.35e9T^{2} \)
71 \( 1 + 3.26e4T + 1.80e9T^{2} \)
73 \( 1 + 8.77e4T + 2.07e9T^{2} \)
79 \( 1 + 4.65e4T + 3.07e9T^{2} \)
83 \( 1 + 4.16e4T + 3.93e9T^{2} \)
89 \( 1 + 9.53e4T + 5.58e9T^{2} \)
97 \( 1 + 1.22e5T + 8.58e9T^{2} \)
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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

−9.128755407750368431998893223034, −8.469168078862306390735841703273, −7.09264441529439142198302476461, −6.89160462204022505007744120042, −5.77483536681370398528964032813, −4.73067591270793100268750466961, −4.34882950223365877172865656048, −2.92731194443857764945637006117, −1.55222076783713472120670691235, −0.21159113733277131243588691925, 0.21159113733277131243588691925, 1.55222076783713472120670691235, 2.92731194443857764945637006117, 4.34882950223365877172865656048, 4.73067591270793100268750466961, 5.77483536681370398528964032813, 6.89160462204022505007744120042, 7.09264441529439142198302476461, 8.469168078862306390735841703273, 9.128755407750368431998893223034

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