Properties

Label 2-28e2-1.1-c3-0-28
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.57·3-s − 13.4·5-s − 14.1·9-s − 0.813·11-s + 34.9·13-s + 48.2·15-s + 117.·17-s + 93.2·19-s − 120.·23-s + 56.6·25-s + 147.·27-s + 8.56·29-s + 82.1·31-s + 2.91·33-s + 28.8·37-s − 125.·39-s − 70.5·41-s − 417.·43-s + 191.·45-s − 338.·47-s − 421.·51-s + 149.·53-s + 10.9·55-s − 333.·57-s + 94.1·59-s − 120.·61-s − 471.·65-s + ⋯
L(s)  = 1  − 0.688·3-s − 1.20·5-s − 0.525·9-s − 0.0222·11-s + 0.745·13-s + 0.830·15-s + 1.67·17-s + 1.12·19-s − 1.09·23-s + 0.453·25-s + 1.05·27-s + 0.0548·29-s + 0.475·31-s + 0.0153·33-s + 0.128·37-s − 0.513·39-s − 0.268·41-s − 1.47·43-s + 0.633·45-s − 1.04·47-s − 1.15·51-s + 0.386·53-s + 0.0268·55-s − 0.775·57-s + 0.207·59-s − 0.252·61-s − 0.899·65-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: \(1\)
Selberg data: \((2,\ 784,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + 13.4T + 125T^{2} \)
11 \( 1 + 0.813T + 1.33e3T^{2} \)
13 \( 1 - 34.9T + 2.19e3T^{2} \)
17 \( 1 - 117.T + 4.91e3T^{2} \)
19 \( 1 - 93.2T + 6.85e3T^{2} \)
23 \( 1 + 120.T + 1.21e4T^{2} \)
29 \( 1 - 8.56T + 2.43e4T^{2} \)
31 \( 1 - 82.1T + 2.97e4T^{2} \)
37 \( 1 - 28.8T + 5.06e4T^{2} \)
41 \( 1 + 70.5T + 6.89e4T^{2} \)
43 \( 1 + 417.T + 7.95e4T^{2} \)
47 \( 1 + 338.T + 1.03e5T^{2} \)
53 \( 1 - 149.T + 1.48e5T^{2} \)
59 \( 1 - 94.1T + 2.05e5T^{2} \)
61 \( 1 + 120.T + 2.26e5T^{2} \)
67 \( 1 - 792.T + 3.00e5T^{2} \)
71 \( 1 + 449.T + 3.57e5T^{2} \)
73 \( 1 + 469.T + 3.89e5T^{2} \)
79 \( 1 - 1.01e3T + 4.93e5T^{2} \)
83 \( 1 - 104.T + 5.71e5T^{2} \)
89 \( 1 + 1.57e3T + 7.04e5T^{2} \)
97 \( 1 - 550.T + 9.12e5T^{2} \)
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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

−9.612955936633358119035786092756, −8.262616850669063984572345118750, −7.969413773387493681564676716367, −6.84531822817553192067199005928, −5.83478179653561167573232596452, −5.09342385535846629269960596578, −3.84716770434027941673646726498, −3.10483405968378178166773960212, −1.16799725564934247889342696382, 0, 1.16799725564934247889342696382, 3.10483405968378178166773960212, 3.84716770434027941673646726498, 5.09342385535846629269960596578, 5.83478179653561167573232596452, 6.84531822817553192067199005928, 7.969413773387493681564676716367, 8.262616850669063984572345118750, 9.612955936633358119035786092756

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