Properties

Label 2-768-1.1-c3-0-33
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 $1$

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: \(1\)
Selberg data: \((2,\ 768,\ (\ :3/2),\ -1)\)

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 \( 1 \)
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

−9.384424845087646209869695248362, −8.463369908872854846108692571666, −7.952324061405263498256376759417, −7.01239861034029561043676956969, −6.17639915778606542546831788334, −4.63452589727187762109371054656, −3.68619244388086639367281149248, −3.28601969505736643145812901410, −1.44181291808602741287963678906, 0, 1.44181291808602741287963678906, 3.28601969505736643145812901410, 3.68619244388086639367281149248, 4.63452589727187762109371054656, 6.17639915778606542546831788334, 7.01239861034029561043676956969, 7.952324061405263498256376759417, 8.463369908872854846108692571666, 9.384424845087646209869695248362

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