Properties

Label 2-768-1.1-c3-0-3
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 − 19.8·5-s − 19.8·7-s + 9·9-s − 48·11-s − 79.5·13-s − 59.6·15-s − 42·17-s + 92·19-s − 59.6·21-s + 39.7·23-s + 271·25-s + 27·27-s + 19.8·29-s + 139.·31-s − 144·33-s + 396·35-s − 198.·37-s − 238.·39-s + 6·41-s + 92·43-s − 179.·45-s − 39.7·47-s + 53·49-s − 126·51-s + 497.·53-s + 955.·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 1.77·5-s − 1.07·7-s + 0.333·9-s − 1.31·11-s − 1.69·13-s − 1.02·15-s − 0.599·17-s + 1.11·19-s − 0.620·21-s + 0.360·23-s + 2.16·25-s + 0.192·27-s + 0.127·29-s + 0.807·31-s − 0.759·33-s + 1.91·35-s − 0.884·37-s − 0.980·39-s + 0.0228·41-s + 0.326·43-s − 0.593·45-s − 0.123·47-s + 0.154·49-s − 0.345·51-s + 1.28·53-s + 2.34·55-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

\(L(2)\) \(\approx\) \(0.6077147236\)
\(L(\frac12)\) \(\approx\) \(0.6077147236\)
\(L(\frac{5}{2})\) 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 \( 1 + 19.8T + 125T^{2} \)
7 \( 1 + 19.8T + 343T^{2} \)
11 \( 1 + 48T + 1.33e3T^{2} \)
13 \( 1 + 79.5T + 2.19e3T^{2} \)
17 \( 1 + 42T + 4.91e3T^{2} \)
19 \( 1 - 92T + 6.85e3T^{2} \)
23 \( 1 - 39.7T + 1.21e4T^{2} \)
29 \( 1 - 19.8T + 2.43e4T^{2} \)
31 \( 1 - 139.T + 2.97e4T^{2} \)
37 \( 1 + 198.T + 5.06e4T^{2} \)
41 \( 1 - 6T + 6.89e4T^{2} \)
43 \( 1 - 92T + 7.95e4T^{2} \)
47 \( 1 + 39.7T + 1.03e5T^{2} \)
53 \( 1 - 497.T + 1.48e5T^{2} \)
59 \( 1 + 516T + 2.05e5T^{2} \)
61 \( 1 - 358.T + 2.26e5T^{2} \)
67 \( 1 + 524T + 3.00e5T^{2} \)
71 \( 1 + 994.T + 3.57e5T^{2} \)
73 \( 1 - 430T + 3.89e5T^{2} \)
79 \( 1 - 1.17e3T + 4.93e5T^{2} \)
83 \( 1 + 432T + 5.71e5T^{2} \)
89 \( 1 + 630T + 7.04e5T^{2} \)
97 \( 1 - 862T + 9.12e5T^{2} \)
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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

−9.923197924784733136958132195661, −9.020618563979615182111949787431, −8.034854300454489148450223921630, −7.44145408819017808587841127649, −6.85812472647848799574257023941, −5.20796605339152220729150880329, −4.36757084190291984414072351430, −3.23031506611215807303950327115, −2.66409682345466495325816226579, −0.39940529911352392591634383942, 0.39940529911352392591634383942, 2.66409682345466495325816226579, 3.23031506611215807303950327115, 4.36757084190291984414072351430, 5.20796605339152220729150880329, 6.85812472647848799574257023941, 7.44145408819017808587841127649, 8.034854300454489148450223921630, 9.020618563979615182111949787431, 9.923197924784733136958132195661

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