Properties

Label 2-28e2-1.1-c3-0-1
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  − 1.41·3-s − 14.1·5-s − 25·9-s − 54·11-s − 22.6·13-s + 20.0·15-s − 32.5·17-s − 63.6·19-s − 28·23-s + 75.0·25-s + 73.5·27-s + 282·29-s − 274.·31-s + 76.3·33-s + 146·37-s + 32.0·39-s − 340.·41-s − 10·43-s + 353.·45-s − 506.·47-s + 46·51-s + 598·53-s + 763.·55-s + 90.0·57-s + 575.·59-s − 466.·61-s + 320.·65-s + ⋯
L(s)  = 1  − 0.272·3-s − 1.26·5-s − 0.925·9-s − 1.48·11-s − 0.482·13-s + 0.344·15-s − 0.464·17-s − 0.768·19-s − 0.253·23-s + 0.600·25-s + 0.524·27-s + 1.80·29-s − 1.58·31-s + 0.402·33-s + 0.648·37-s + 0.131·39-s − 1.29·41-s − 0.0354·43-s + 1.17·45-s − 1.57·47-s + 0.126·51-s + 1.54·53-s + 1.87·55-s + 0.209·57-s + 1.27·59-s − 0.979·61-s + 0.610·65-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

\(L(2)\) \(\approx\) \(0.3265589140\)
\(L(\frac12)\) \(\approx\) \(0.3265589140\)
\(L(\frac{5}{2})\) 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 \( 1 + 1.41T + 27T^{2} \)
5 \( 1 + 14.1T + 125T^{2} \)
11 \( 1 + 54T + 1.33e3T^{2} \)
13 \( 1 + 22.6T + 2.19e3T^{2} \)
17 \( 1 + 32.5T + 4.91e3T^{2} \)
19 \( 1 + 63.6T + 6.85e3T^{2} \)
23 \( 1 + 28T + 1.21e4T^{2} \)
29 \( 1 - 282T + 2.43e4T^{2} \)
31 \( 1 + 274.T + 2.97e4T^{2} \)
37 \( 1 - 146T + 5.06e4T^{2} \)
41 \( 1 + 340.T + 6.89e4T^{2} \)
43 \( 1 + 10T + 7.95e4T^{2} \)
47 \( 1 + 506.T + 1.03e5T^{2} \)
53 \( 1 - 598T + 1.48e5T^{2} \)
59 \( 1 - 575.T + 2.05e5T^{2} \)
61 \( 1 + 466.T + 2.26e5T^{2} \)
67 \( 1 + 916T + 3.00e5T^{2} \)
71 \( 1 + 420T + 3.57e5T^{2} \)
73 \( 1 - 702.T + 3.89e5T^{2} \)
79 \( 1 - 292T + 4.93e5T^{2} \)
83 \( 1 - 1.15e3T + 5.71e5T^{2} \)
89 \( 1 + 445.T + 7.04e5T^{2} \)
97 \( 1 - 589.T + 9.12e5T^{2} \)
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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

−10.14425147321444999456320891545, −8.765295738027926042768324824707, −8.189360181299438027138228347656, −7.46439319181728701874313839769, −6.44440957923723176584907160561, −5.30960878219809709969523597726, −4.55615484986022938109523938075, −3.36051883843754759910814119438, −2.37244683792370218740736535234, −0.30254483311104846866936487384, 0.30254483311104846866936487384, 2.37244683792370218740736535234, 3.36051883843754759910814119438, 4.55615484986022938109523938075, 5.30960878219809709969523597726, 6.44440957923723176584907160561, 7.46439319181728701874313839769, 8.189360181299438027138228347656, 8.765295738027926042768324824707, 10.14425147321444999456320891545

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