Properties

Label 2-28e2-1.1-c3-0-7
Degree $2$
Conductor $784$
Sign $1$
Analytic cond. $46.2574$
Root an. cond. $6.80128$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.57·3-s − 2.16·5-s − 14.1·9-s − 9.31·11-s − 56.2·13-s + 7.75·15-s − 7.42·17-s − 9.23·19-s + 129.·23-s − 120.·25-s + 147.·27-s + 9.56·29-s − 180.·31-s + 33.3·33-s + 142.·37-s + 201.·39-s − 385.·41-s + 474.·43-s + 30.7·45-s − 205.·47-s + 26.5·51-s − 558.·53-s + 20.1·55-s + 33.0·57-s − 539.·59-s + 752.·61-s + 121.·65-s + ⋯
L(s)  = 1  − 0.688·3-s − 0.193·5-s − 0.525·9-s − 0.255·11-s − 1.20·13-s + 0.133·15-s − 0.105·17-s − 0.111·19-s + 1.17·23-s − 0.962·25-s + 1.05·27-s + 0.0612·29-s − 1.04·31-s + 0.175·33-s + 0.634·37-s + 0.826·39-s − 1.46·41-s + 1.68·43-s + 0.101·45-s − 0.637·47-s + 0.0729·51-s − 1.44·53-s + 0.0494·55-s + 0.0768·57-s − 1.19·59-s + 1.57·61-s + 0.232·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(784\)    =    \(2^{4} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(46.2574\)
Root analytic conductor: \(6.80128\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 784,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.8455346528\)
\(L(\frac12)\) \(\approx\) \(0.8455346528\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 \)
good3 \( 1 + 3.57T + 27T^{2} \)
5 \( 1 + 2.16T + 125T^{2} \)
11 \( 1 + 9.31T + 1.33e3T^{2} \)
13 \( 1 + 56.2T + 2.19e3T^{2} \)
17 \( 1 + 7.42T + 4.91e3T^{2} \)
19 \( 1 + 9.23T + 6.85e3T^{2} \)
23 \( 1 - 129.T + 1.21e4T^{2} \)
29 \( 1 - 9.56T + 2.43e4T^{2} \)
31 \( 1 + 180.T + 2.97e4T^{2} \)
37 \( 1 - 142.T + 5.06e4T^{2} \)
41 \( 1 + 385.T + 6.89e4T^{2} \)
43 \( 1 - 474.T + 7.95e4T^{2} \)
47 \( 1 + 205.T + 1.03e5T^{2} \)
53 \( 1 + 558.T + 1.48e5T^{2} \)
59 \( 1 + 539.T + 2.05e5T^{2} \)
61 \( 1 - 752.T + 2.26e5T^{2} \)
67 \( 1 - 540.T + 3.00e5T^{2} \)
71 \( 1 - 800.T + 3.57e5T^{2} \)
73 \( 1 - 203.T + 3.89e5T^{2} \)
79 \( 1 - 405.T + 4.93e5T^{2} \)
83 \( 1 - 297.T + 5.71e5T^{2} \)
89 \( 1 - 915.T + 7.04e5T^{2} \)
97 \( 1 + 1.09e3T + 9.12e5T^{2} \)
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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

−9.925504901836224048537680587050, −9.151134166627030205410779450052, −8.106634487482315085798405558447, −7.27786211539271927260092791145, −6.35573898160747509246249387317, −5.37122349253089277679232698419, −4.72278780421540686891982776148, −3.36227596865658000580234159127, −2.20159320911275726529696132285, −0.51163202735760985993350989677, 0.51163202735760985993350989677, 2.20159320911275726529696132285, 3.36227596865658000580234159127, 4.72278780421540686891982776148, 5.37122349253089277679232698419, 6.35573898160747509246249387317, 7.27786211539271927260092791145, 8.106634487482315085798405558447, 9.151134166627030205410779450052, 9.925504901836224048537680587050

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