Properties

Label 2-28e2-1.1-c3-0-45
Degree $2$
Conductor $784$
Sign $-1$
Analytic cond. $46.2574$
Root an. cond. $6.80128$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s + 16·5-s − 23·9-s − 24·11-s + 68·13-s − 32·15-s − 54·17-s − 46·19-s − 176·23-s + 131·25-s + 100·27-s − 174·29-s − 116·31-s + 48·33-s + 74·37-s − 136·39-s + 10·41-s + 480·43-s − 368·45-s − 572·47-s + 108·51-s − 162·53-s − 384·55-s + 92·57-s − 86·59-s + 904·61-s + 1.08e3·65-s + ⋯
L(s)  = 1  − 0.384·3-s + 1.43·5-s − 0.851·9-s − 0.657·11-s + 1.45·13-s − 0.550·15-s − 0.770·17-s − 0.555·19-s − 1.59·23-s + 1.04·25-s + 0.712·27-s − 1.11·29-s − 0.672·31-s + 0.253·33-s + 0.328·37-s − 0.558·39-s + 0.0380·41-s + 1.70·43-s − 1.21·45-s − 1.77·47-s + 0.296·51-s − 0.419·53-s − 0.941·55-s + 0.213·57-s − 0.189·59-s + 1.89·61-s + 2.07·65-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: yes
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 \( 1 + 2 T + p^{3} T^{2} \)
5 \( 1 - 16 T + p^{3} T^{2} \)
11 \( 1 + 24 T + p^{3} T^{2} \)
13 \( 1 - 68 T + p^{3} T^{2} \)
17 \( 1 + 54 T + p^{3} T^{2} \)
19 \( 1 + 46 T + p^{3} T^{2} \)
23 \( 1 + 176 T + p^{3} T^{2} \)
29 \( 1 + 6 p T + p^{3} T^{2} \)
31 \( 1 + 116 T + p^{3} T^{2} \)
37 \( 1 - 2 p T + p^{3} T^{2} \)
41 \( 1 - 10 T + p^{3} T^{2} \)
43 \( 1 - 480 T + p^{3} T^{2} \)
47 \( 1 + 572 T + p^{3} T^{2} \)
53 \( 1 + 162 T + p^{3} T^{2} \)
59 \( 1 + 86 T + p^{3} T^{2} \)
61 \( 1 - 904 T + p^{3} T^{2} \)
67 \( 1 + 660 T + p^{3} T^{2} \)
71 \( 1 + 1024 T + p^{3} T^{2} \)
73 \( 1 + 770 T + p^{3} T^{2} \)
79 \( 1 - 904 T + p^{3} T^{2} \)
83 \( 1 - 682 T + p^{3} T^{2} \)
89 \( 1 - 102 T + p^{3} T^{2} \)
97 \( 1 - 218 T + p^{3} T^{2} \)
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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

−9.446688206050273763716408443496, −8.761055208771752190471987504805, −7.87362287080087552373636451101, −6.42026568292406103583397386440, −5.97961176961872151545692822962, −5.30444415160046039575712572772, −3.95860606844688018440414011806, −2.58113382635076576522156403954, −1.65110501896567048049317094266, 0, 1.65110501896567048049317094266, 2.58113382635076576522156403954, 3.95860606844688018440414011806, 5.30444415160046039575712572772, 5.97961176961872151545692822962, 6.42026568292406103583397386440, 7.87362287080087552373636451101, 8.761055208771752190471987504805, 9.446688206050273763716408443496

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