Properties

Label 2-28e2-1.1-c3-0-31
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  − 0.261·3-s − 19.5·5-s − 26.9·9-s + 56.2·11-s + 66.0·13-s + 5.10·15-s + 18.8·17-s − 80.8·19-s + 89.3·23-s + 255.·25-s + 14.1·27-s + 104.·29-s − 148.·31-s − 14.7·33-s + 13.8·37-s − 17.2·39-s − 174.·41-s − 205.·43-s + 525.·45-s − 116.·47-s − 4.92·51-s − 316.·53-s − 1.09e3·55-s + 21.1·57-s − 539.·59-s − 145.·61-s − 1.28e3·65-s + ⋯
L(s)  = 1  − 0.0503·3-s − 1.74·5-s − 0.997·9-s + 1.54·11-s + 1.40·13-s + 0.0877·15-s + 0.268·17-s − 0.975·19-s + 0.810·23-s + 2.04·25-s + 0.100·27-s + 0.666·29-s − 0.860·31-s − 0.0776·33-s + 0.0613·37-s − 0.0709·39-s − 0.664·41-s − 0.728·43-s + 1.73·45-s − 0.361·47-s − 0.0135·51-s − 0.819·53-s − 2.69·55-s + 0.0491·57-s − 1.19·59-s − 0.305·61-s − 2.45·65-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 \( 1 + 0.261T + 27T^{2} \)
5 \( 1 + 19.5T + 125T^{2} \)
11 \( 1 - 56.2T + 1.33e3T^{2} \)
13 \( 1 - 66.0T + 2.19e3T^{2} \)
17 \( 1 - 18.8T + 4.91e3T^{2} \)
19 \( 1 + 80.8T + 6.85e3T^{2} \)
23 \( 1 - 89.3T + 1.21e4T^{2} \)
29 \( 1 - 104.T + 2.43e4T^{2} \)
31 \( 1 + 148.T + 2.97e4T^{2} \)
37 \( 1 - 13.8T + 5.06e4T^{2} \)
41 \( 1 + 174.T + 6.89e4T^{2} \)
43 \( 1 + 205.T + 7.95e4T^{2} \)
47 \( 1 + 116.T + 1.03e5T^{2} \)
53 \( 1 + 316.T + 1.48e5T^{2} \)
59 \( 1 + 539.T + 2.05e5T^{2} \)
61 \( 1 + 145.T + 2.26e5T^{2} \)
67 \( 1 + 476.T + 3.00e5T^{2} \)
71 \( 1 + 131.T + 3.57e5T^{2} \)
73 \( 1 + 349.T + 3.89e5T^{2} \)
79 \( 1 - 806.T + 4.93e5T^{2} \)
83 \( 1 + 233.T + 5.71e5T^{2} \)
89 \( 1 - 535.T + 7.04e5T^{2} \)
97 \( 1 + 80.7T + 9.12e5T^{2} \)
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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

−9.094531888579128151641614157960, −8.626292833038692566204701147056, −7.925261679616606465171098858084, −6.81203180712960263712962753704, −6.14089927688818026404094170134, −4.73425462129257658373556318860, −3.79293227684703683424891281121, −3.22045440687378144359677230558, −1.27038967029395030757052584668, 0, 1.27038967029395030757052584668, 3.22045440687378144359677230558, 3.79293227684703683424891281121, 4.73425462129257658373556318860, 6.14089927688818026404094170134, 6.81203180712960263712962753704, 7.925261679616606465171098858084, 8.626292833038692566204701147056, 9.094531888579128151641614157960

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