Properties

Label 2-768-1.1-c3-0-11
Degree $2$
Conductor $768$
Sign $1$
Analytic cond. $45.3134$
Root an. cond. $6.73152$
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  − 3·3-s + 18.5·5-s − 9.32·7-s + 9·9-s − 39.7·11-s − 32.9·13-s − 55.6·15-s + 90.5·17-s + 72.5·19-s + 27.9·21-s − 45.3·23-s + 218.·25-s − 27·27-s + 143.·29-s + 90.4·31-s + 119.·33-s − 172.·35-s + 1.77·37-s + 98.8·39-s − 195.·41-s + 407.·43-s + 166.·45-s − 278.·47-s − 256.·49-s − 271.·51-s + 241.·53-s − 736.·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 1.65·5-s − 0.503·7-s + 0.333·9-s − 1.08·11-s − 0.703·13-s − 0.957·15-s + 1.29·17-s + 0.876·19-s + 0.290·21-s − 0.411·23-s + 1.75·25-s − 0.192·27-s + 0.918·29-s + 0.524·31-s + 0.628·33-s − 0.835·35-s + 0.00790·37-s + 0.405·39-s − 0.745·41-s + 1.44·43-s + 0.552·45-s − 0.864·47-s − 0.746·49-s − 0.746·51-s + 0.625·53-s − 1.80·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 768 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 768 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(768\)    =    \(2^{8} \cdot 3\)
Sign: $1$
Analytic conductor: \(45.3134\)
Root analytic conductor: \(6.73152\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 768,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.064508736\)
\(L(\frac12)\) \(\approx\) \(2.064508736\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + 3T \)
good5 \( 1 - 18.5T + 125T^{2} \)
7 \( 1 + 9.32T + 343T^{2} \)
11 \( 1 + 39.7T + 1.33e3T^{2} \)
13 \( 1 + 32.9T + 2.19e3T^{2} \)
17 \( 1 - 90.5T + 4.91e3T^{2} \)
19 \( 1 - 72.5T + 6.85e3T^{2} \)
23 \( 1 + 45.3T + 1.21e4T^{2} \)
29 \( 1 - 143.T + 2.43e4T^{2} \)
31 \( 1 - 90.4T + 2.97e4T^{2} \)
37 \( 1 - 1.77T + 5.06e4T^{2} \)
41 \( 1 + 195.T + 6.89e4T^{2} \)
43 \( 1 - 407.T + 7.95e4T^{2} \)
47 \( 1 + 278.T + 1.03e5T^{2} \)
53 \( 1 - 241.T + 1.48e5T^{2} \)
59 \( 1 + 149.T + 2.05e5T^{2} \)
61 \( 1 - 508.T + 2.26e5T^{2} \)
67 \( 1 - 950.T + 3.00e5T^{2} \)
71 \( 1 - 803.T + 3.57e5T^{2} \)
73 \( 1 + 449.T + 3.89e5T^{2} \)
79 \( 1 + 157.T + 4.93e5T^{2} \)
83 \( 1 + 175.T + 5.71e5T^{2} \)
89 \( 1 + 127.T + 7.04e5T^{2} \)
97 \( 1 - 158.T + 9.12e5T^{2} \)
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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

−10.00080264256539951008672719313, −9.499302661985459601715556409743, −8.182682420777268319346150049685, −7.17073039326504919991089327435, −6.21968548789269336018119489509, −5.50165826814179012108764238138, −4.91747911024426052054833237430, −3.15805125946845498511731590510, −2.18511239912335008107570510626, −0.842167293582934822875999038399, 0.842167293582934822875999038399, 2.18511239912335008107570510626, 3.15805125946845498511731590510, 4.91747911024426052054833237430, 5.50165826814179012108764238138, 6.21968548789269336018119489509, 7.17073039326504919991089327435, 8.182682420777268319346150049685, 9.499302661985459601715556409743, 10.00080264256539951008672719313

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