Properties

Label 2-768-1.1-c3-0-24
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 − 17.4·5-s + 2.99·7-s + 9·9-s + 10.6·11-s + 43.3·13-s + 52.2·15-s − 37.8·17-s − 79.8·19-s − 8.97·21-s + 191.·23-s + 178.·25-s − 27·27-s − 138.·29-s + 212.·31-s − 31.8·33-s − 52.1·35-s + 270.·37-s − 129.·39-s + 441.·41-s − 64.1·43-s − 156.·45-s − 436.·47-s − 334.·49-s + 113.·51-s − 278.·53-s − 185.·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.55·5-s + 0.161·7-s + 0.333·9-s + 0.291·11-s + 0.924·13-s + 0.900·15-s − 0.540·17-s − 0.964·19-s − 0.0932·21-s + 1.73·23-s + 1.43·25-s − 0.192·27-s − 0.889·29-s + 1.22·31-s − 0.168·33-s − 0.251·35-s + 1.20·37-s − 0.533·39-s + 1.68·41-s − 0.227·43-s − 0.519·45-s − 1.35·47-s − 0.973·49-s + 0.312·51-s − 0.721·53-s − 0.454·55-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 \( 1 + 17.4T + 125T^{2} \)
7 \( 1 - 2.99T + 343T^{2} \)
11 \( 1 - 10.6T + 1.33e3T^{2} \)
13 \( 1 - 43.3T + 2.19e3T^{2} \)
17 \( 1 + 37.8T + 4.91e3T^{2} \)
19 \( 1 + 79.8T + 6.85e3T^{2} \)
23 \( 1 - 191.T + 1.21e4T^{2} \)
29 \( 1 + 138.T + 2.43e4T^{2} \)
31 \( 1 - 212.T + 2.97e4T^{2} \)
37 \( 1 - 270.T + 5.06e4T^{2} \)
41 \( 1 - 441.T + 6.89e4T^{2} \)
43 \( 1 + 64.1T + 7.95e4T^{2} \)
47 \( 1 + 436.T + 1.03e5T^{2} \)
53 \( 1 + 278.T + 1.48e5T^{2} \)
59 \( 1 + 830.T + 2.05e5T^{2} \)
61 \( 1 - 724.T + 2.26e5T^{2} \)
67 \( 1 + 859.T + 3.00e5T^{2} \)
71 \( 1 + 681.T + 3.57e5T^{2} \)
73 \( 1 - 785.T + 3.89e5T^{2} \)
79 \( 1 + 1.01e3T + 4.93e5T^{2} \)
83 \( 1 + 467.T + 5.71e5T^{2} \)
89 \( 1 + 510.T + 7.04e5T^{2} \)
97 \( 1 + 234.T + 9.12e5T^{2} \)
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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

−9.409033069612648618866128440030, −8.518244327636413543774428947112, −7.80457746250535456296809542451, −6.87456356658864001784619793767, −6.09171424837873078478019261197, −4.70065704031908553793615787680, −4.15057413554570771578051467932, −3.03066819772129874927751003009, −1.20077684798584418431450561337, 0, 1.20077684798584418431450561337, 3.03066819772129874927751003009, 4.15057413554570771578051467932, 4.70065704031908553793615787680, 6.09171424837873078478019261197, 6.87456356658864001784619793767, 7.80457746250535456296809542451, 8.518244327636413543774428947112, 9.409033069612648618866128440030

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