Properties

Label 2-28e2-1.1-c3-0-24
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  − 7.65·3-s − 14.6·5-s + 31.5·9-s + 17.3·11-s − 81.5·13-s + 111.·15-s + 78.3·17-s − 11.1·19-s + 133.·23-s + 88.4·25-s − 34.6·27-s − 93.8·29-s + 315.·31-s − 132.·33-s + 179.·37-s + 623.·39-s − 265.·41-s − 6.73·43-s − 460.·45-s + 172.·47-s − 599.·51-s + 375.·53-s − 253.·55-s + 84.9·57-s + 113.·59-s + 359.·61-s + 1.19e3·65-s + ⋯
L(s)  = 1  − 1.47·3-s − 1.30·5-s + 1.16·9-s + 0.475·11-s − 1.73·13-s + 1.92·15-s + 1.11·17-s − 0.134·19-s + 1.21·23-s + 0.707·25-s − 0.246·27-s − 0.600·29-s + 1.82·31-s − 0.699·33-s + 0.796·37-s + 2.56·39-s − 1.01·41-s − 0.0238·43-s − 1.52·45-s + 0.534·47-s − 1.64·51-s + 0.974·53-s − 0.621·55-s + 0.197·57-s + 0.251·59-s + 0.754·61-s + 2.27·65-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 \( 1 + 7.65T + 27T^{2} \)
5 \( 1 + 14.6T + 125T^{2} \)
11 \( 1 - 17.3T + 1.33e3T^{2} \)
13 \( 1 + 81.5T + 2.19e3T^{2} \)
17 \( 1 - 78.3T + 4.91e3T^{2} \)
19 \( 1 + 11.1T + 6.85e3T^{2} \)
23 \( 1 - 133.T + 1.21e4T^{2} \)
29 \( 1 + 93.8T + 2.43e4T^{2} \)
31 \( 1 - 315.T + 2.97e4T^{2} \)
37 \( 1 - 179.T + 5.06e4T^{2} \)
41 \( 1 + 265.T + 6.89e4T^{2} \)
43 \( 1 + 6.73T + 7.95e4T^{2} \)
47 \( 1 - 172.T + 1.03e5T^{2} \)
53 \( 1 - 375.T + 1.48e5T^{2} \)
59 \( 1 - 113.T + 2.05e5T^{2} \)
61 \( 1 - 359.T + 2.26e5T^{2} \)
67 \( 1 + 428.T + 3.00e5T^{2} \)
71 \( 1 + 729.T + 3.57e5T^{2} \)
73 \( 1 + 1.15e3T + 3.89e5T^{2} \)
79 \( 1 + 447.T + 4.93e5T^{2} \)
83 \( 1 + 10.3T + 5.71e5T^{2} \)
89 \( 1 + 766.T + 7.04e5T^{2} \)
97 \( 1 + 532.T + 9.12e5T^{2} \)
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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

−9.769834219495435398682193038170, −8.507255986050571922443188600134, −7.43783095816122200601369188614, −6.99951198424979350716576039522, −5.84477300760358681696700299123, −4.92660749174020664893859228428, −4.26737122971590506783394612497, −2.94252906536281487496368094767, −0.985526563573669154506376176646, 0, 0.985526563573669154506376176646, 2.94252906536281487496368094767, 4.26737122971590506783394612497, 4.92660749174020664893859228428, 5.84477300760358681696700299123, 6.99951198424979350716576039522, 7.43783095816122200601369188614, 8.507255986050571922443188600134, 9.769834219495435398682193038170

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