Properties

Label 2-2e3-1.1-c15-0-2
Degree $2$
Conductor $8$
Sign $-1$
Analytic cond. $11.4154$
Root an. cond. $3.37868$
Motivic weight $15$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.44e3·3-s + 3.13e5·5-s − 2.32e6·7-s − 2.48e6·9-s − 5.52e7·11-s − 1.10e8·13-s − 1.07e9·15-s − 2.60e9·17-s + 1.95e9·19-s + 8.00e9·21-s − 2.54e10·23-s + 6.76e10·25-s + 5.79e10·27-s − 2.27e9·29-s − 1.90e11·31-s + 1.90e11·33-s − 7.28e11·35-s − 2.88e11·37-s + 3.79e11·39-s + 7.56e11·41-s − 3.54e11·43-s − 7.79e11·45-s + 6.03e12·47-s + 6.56e11·49-s + 8.95e12·51-s − 1.21e13·53-s − 1.73e13·55-s + ⋯
L(s)  = 1  − 0.909·3-s + 1.79·5-s − 1.06·7-s − 0.173·9-s − 0.854·11-s − 0.487·13-s − 1.63·15-s − 1.53·17-s + 0.501·19-s + 0.969·21-s − 1.55·23-s + 2.21·25-s + 1.06·27-s − 0.0245·29-s − 1.24·31-s + 0.777·33-s − 1.91·35-s − 0.499·37-s + 0.443·39-s + 0.606·41-s − 0.198·43-s − 0.310·45-s + 1.73·47-s + 0.138·49-s + 1.39·51-s − 1.42·53-s − 1.53·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $-1$
Analytic conductor: \(11.4154\)
Root analytic conductor: \(3.37868\)
Motivic weight: \(15\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 8,\ (\ :15/2),\ -1)\)

Particular Values

\(L(8)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{17}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 1148 p T + p^{15} T^{2} \)
5 \( 1 - 313358 T + p^{15} T^{2} \)
7 \( 1 + 332088 p T + p^{15} T^{2} \)
11 \( 1 + 456604 p^{2} T + p^{15} T^{2} \)
13 \( 1 + 8481506 p T + p^{15} T^{2} \)
17 \( 1 + 2601428750 T + p^{15} T^{2} \)
19 \( 1 - 1952124284 T + p^{15} T^{2} \)
23 \( 1 + 25430340376 T + p^{15} T^{2} \)
29 \( 1 + 2277224202 T + p^{15} T^{2} \)
31 \( 1 + 190667257120 T + p^{15} T^{2} \)
37 \( 1 + 288229450002 T + p^{15} T^{2} \)
41 \( 1 - 756412456602 T + p^{15} T^{2} \)
43 \( 1 + 354186592988 T + p^{15} T^{2} \)
47 \( 1 - 6035922573648 T + p^{15} T^{2} \)
53 \( 1 + 12198920684962 T + p^{15} T^{2} \)
59 \( 1 + 4090911936748 T + p^{15} T^{2} \)
61 \( 1 - 17565907389910 T + p^{15} T^{2} \)
67 \( 1 + 3931246965172 T + p^{15} T^{2} \)
71 \( 1 - 58825436072248 T + p^{15} T^{2} \)
73 \( 1 - 107571519617914 T + p^{15} T^{2} \)
79 \( 1 - 61543860115504 T + p^{15} T^{2} \)
83 \( 1 - 13432070277436 T + p^{15} T^{2} \)
89 \( 1 - 269696339030634 T + p^{15} T^{2} \)
97 \( 1 + 793796744596318 T + p^{15} T^{2} \)
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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

−17.35916726719619207729772310319, −16.08891511113012821856915353691, −13.86482837944641399267169775448, −12.68757426044401664695802347514, −10.63774881811528657140241443821, −9.422760105274645794954149006873, −6.45750326940849579259429532906, −5.41777306936242744170831132313, −2.34819292753910325777657924992, 0, 2.34819292753910325777657924992, 5.41777306936242744170831132313, 6.45750326940849579259429532906, 9.422760105274645794954149006873, 10.63774881811528657140241443821, 12.68757426044401664695802347514, 13.86482837944641399267169775448, 16.08891511113012821856915353691, 17.35916726719619207729772310319

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