Properties

Label 2-304-1.1-c1-0-8
Degree $2$
Conductor $304$
Sign $-1$
Analytic cond. $2.42745$
Root an. cond. $1.55802$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 4·5-s − 3·7-s − 2·9-s − 2·11-s − 13-s − 4·15-s + 3·17-s + 19-s − 3·21-s + 23-s + 11·25-s − 5·27-s − 5·29-s + 8·31-s − 2·33-s + 12·35-s − 2·37-s − 39-s − 8·41-s − 4·43-s + 8·45-s − 8·47-s + 2·49-s + 3·51-s − 53-s + 8·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 1.78·5-s − 1.13·7-s − 2/3·9-s − 0.603·11-s − 0.277·13-s − 1.03·15-s + 0.727·17-s + 0.229·19-s − 0.654·21-s + 0.208·23-s + 11/5·25-s − 0.962·27-s − 0.928·29-s + 1.43·31-s − 0.348·33-s + 2.02·35-s − 0.328·37-s − 0.160·39-s − 1.24·41-s − 0.609·43-s + 1.19·45-s − 1.16·47-s + 2/7·49-s + 0.420·51-s − 0.137·53-s + 1.07·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 304 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 304 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(304\)    =    \(2^{4} \cdot 19\)
Sign: $-1$
Analytic conductor: \(2.42745\)
Root analytic conductor: \(1.55802\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 304,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
19 \( 1 - T \)
good3 \( 1 - T + p T^{2} \)
5 \( 1 + 4 T + p T^{2} \)
7 \( 1 + 3 T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + T + p T^{2} \)
17 \( 1 - 3 T + p T^{2} \)
23 \( 1 - T + p T^{2} \)
29 \( 1 + 5 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 + 8 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 + T + p T^{2} \)
59 \( 1 + 15 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 3 T + p T^{2} \)
71 \( 1 + 2 T + p T^{2} \)
73 \( 1 - 9 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−11.43965443835611430533032930003, −10.30984639175148445762941404826, −9.250246741517628766073180669878, −8.199448456904276296960401284970, −7.65960330166497750263390530877, −6.52280948162697403172717458153, −5.01088818916226849614299890353, −3.57195691104337905967362169037, −3.01072892067414194047812488684, 0, 3.01072892067414194047812488684, 3.57195691104337905967362169037, 5.01088818916226849614299890353, 6.52280948162697403172717458153, 7.65960330166497750263390530877, 8.199448456904276296960401284970, 9.250246741517628766073180669878, 10.30984639175148445762941404826, 11.43965443835611430533032930003

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