Properties

Label 2-28e2-1.1-c5-0-15
Degree $2$
Conductor $784$
Sign $1$
Analytic cond. $125.740$
Root an. cond. $11.2134$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 24.4·3-s + 83.6·5-s + 354.·9-s − 549.·11-s − 823.·13-s − 2.04e3·15-s + 145.·17-s − 1.76e3·19-s + 1.52e3·23-s + 3.87e3·25-s − 2.72e3·27-s − 741.·29-s + 3.20e3·31-s + 1.34e4·33-s − 3.54e3·37-s + 2.01e4·39-s − 6.46e3·41-s − 6.71e3·43-s + 2.96e4·45-s + 1.91e4·47-s − 3.55e3·51-s − 2.12e4·53-s − 4.59e4·55-s + 4.32e4·57-s − 3.65e4·59-s + 4.34e4·61-s − 6.88e4·65-s + ⋯
L(s)  = 1  − 1.56·3-s + 1.49·5-s + 1.45·9-s − 1.36·11-s − 1.35·13-s − 2.34·15-s + 0.122·17-s − 1.12·19-s + 0.600·23-s + 1.23·25-s − 0.718·27-s − 0.163·29-s + 0.598·31-s + 2.14·33-s − 0.426·37-s + 2.11·39-s − 0.600·41-s − 0.553·43-s + 2.18·45-s + 1.26·47-s − 0.191·51-s − 1.04·53-s − 2.04·55-s + 1.76·57-s − 1.36·59-s + 1.49·61-s − 2.02·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(784\)    =    \(2^{4} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(125.740\)
Root analytic conductor: \(11.2134\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 784,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(0.8758216406\)
\(L(\frac12)\) \(\approx\) \(0.8758216406\)
\(L(\frac{7}{2})\) 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 \( 1 + 24.4T + 243T^{2} \)
5 \( 1 - 83.6T + 3.12e3T^{2} \)
11 \( 1 + 549.T + 1.61e5T^{2} \)
13 \( 1 + 823.T + 3.71e5T^{2} \)
17 \( 1 - 145.T + 1.41e6T^{2} \)
19 \( 1 + 1.76e3T + 2.47e6T^{2} \)
23 \( 1 - 1.52e3T + 6.43e6T^{2} \)
29 \( 1 + 741.T + 2.05e7T^{2} \)
31 \( 1 - 3.20e3T + 2.86e7T^{2} \)
37 \( 1 + 3.54e3T + 6.93e7T^{2} \)
41 \( 1 + 6.46e3T + 1.15e8T^{2} \)
43 \( 1 + 6.71e3T + 1.47e8T^{2} \)
47 \( 1 - 1.91e4T + 2.29e8T^{2} \)
53 \( 1 + 2.12e4T + 4.18e8T^{2} \)
59 \( 1 + 3.65e4T + 7.14e8T^{2} \)
61 \( 1 - 4.34e4T + 8.44e8T^{2} \)
67 \( 1 + 5.02e3T + 1.35e9T^{2} \)
71 \( 1 - 6.31e3T + 1.80e9T^{2} \)
73 \( 1 + 4.25e4T + 2.07e9T^{2} \)
79 \( 1 + 9.50e4T + 3.07e9T^{2} \)
83 \( 1 - 3.49e4T + 3.93e9T^{2} \)
89 \( 1 - 1.00e5T + 5.58e9T^{2} \)
97 \( 1 - 7.67e4T + 8.58e9T^{2} \)
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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

−10.04299448682329924101574703866, −8.875220139927346657087260267089, −7.56011859875783140368655491995, −6.64904812645136597417614059019, −5.91646324738851951371140170902, −5.18734608357313251303244449407, −4.70173153134170948729176699117, −2.72281894199988194481323324704, −1.81154487132632115328037658007, −0.45049872926286396203802162007, 0.45049872926286396203802162007, 1.81154487132632115328037658007, 2.72281894199988194481323324704, 4.70173153134170948729176699117, 5.18734608357313251303244449407, 5.91646324738851951371140170902, 6.64904812645136597417614059019, 7.56011859875783140368655491995, 8.875220139927346657087260267089, 10.04299448682329924101574703866

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