Properties

Label 2-28e2-1.1-c3-0-21
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

\(L(2)\) \(\approx\) \(2.736038293\)
\(L(\frac12)\) \(\approx\) \(2.736038293\)
\(L(\frac{5}{2})\) 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

−9.679334444017300393528069834133, −9.043074672629321104152676730475, −8.238594976068497327475920715277, −7.54381992021136078176390130552, −6.28817316356542025200677901025, −5.59880845960807568411799606585, −4.30119532410222014152950619941, −3.25924750293199781262627303671, −2.35912216903026735317685287224, −0.922798275853562397677885955775, 0.922798275853562397677885955775, 2.35912216903026735317685287224, 3.25924750293199781262627303671, 4.30119532410222014152950619941, 5.59880845960807568411799606585, 6.28817316356542025200677901025, 7.54381992021136078176390130552, 8.238594976068497327475920715277, 9.043074672629321104152676730475, 9.679334444017300393528069834133

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