Properties

Label 2-665-1.1-c1-0-19
Degree $2$
Conductor $665$
Sign $-1$
Analytic cond. $5.31005$
Root an. cond. $2.30435$
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  − 2-s − 3-s − 4-s − 5-s + 6-s + 7-s + 3·8-s − 2·9-s + 10-s + 4·11-s + 12-s − 14-s + 15-s − 16-s − 17-s + 2·18-s + 19-s + 20-s − 21-s − 4·22-s − 3·23-s − 3·24-s + 25-s + 5·27-s − 28-s − 6·29-s − 30-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s − 1/2·4-s − 0.447·5-s + 0.408·6-s + 0.377·7-s + 1.06·8-s − 2/3·9-s + 0.316·10-s + 1.20·11-s + 0.288·12-s − 0.267·14-s + 0.258·15-s − 1/4·16-s − 0.242·17-s + 0.471·18-s + 0.229·19-s + 0.223·20-s − 0.218·21-s − 0.852·22-s − 0.625·23-s − 0.612·24-s + 1/5·25-s + 0.962·27-s − 0.188·28-s − 1.11·29-s − 0.182·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 665 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 665 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(665\)    =    \(5 \cdot 7 \cdot 19\)
Sign: $-1$
Analytic conductor: \(5.31005\)
Root analytic conductor: \(2.30435\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 665,\ (\ :1/2),\ -1)\)

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)$Isogeny Class over $\mathbf{F}_p$
bad5 \( 1 + T \)
7 \( 1 - T \)
19 \( 1 - T \)
good2 \( 1 + T + p T^{2} \) 1.2.b
3 \( 1 + T + p T^{2} \) 1.3.b
11 \( 1 - 4 T + p T^{2} \) 1.11.ae
13 \( 1 + p T^{2} \) 1.13.a
17 \( 1 + T + p T^{2} \) 1.17.b
23 \( 1 + 3 T + p T^{2} \) 1.23.d
29 \( 1 + 6 T + p T^{2} \) 1.29.g
31 \( 1 + p T^{2} \) 1.31.a
37 \( 1 + 11 T + p T^{2} \) 1.37.l
41 \( 1 - 5 T + p T^{2} \) 1.41.af
43 \( 1 + 7 T + p T^{2} \) 1.43.h
47 \( 1 + 8 T + p T^{2} \) 1.47.i
53 \( 1 + 3 T + p T^{2} \) 1.53.d
59 \( 1 - 2 T + p T^{2} \) 1.59.ac
61 \( 1 + 8 T + p T^{2} \) 1.61.i
67 \( 1 - 2 T + p T^{2} \) 1.67.ac
71 \( 1 - T + p T^{2} \) 1.71.ab
73 \( 1 + 11 T + p T^{2} \) 1.73.l
79 \( 1 + 12 T + p T^{2} \) 1.79.m
83 \( 1 + p T^{2} \) 1.83.a
89 \( 1 - 10 T + p T^{2} \) 1.89.ak
97 \( 1 + 2 T + p T^{2} \) 1.97.c
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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

−10.04201122052202230625551273309, −9.089511133962875088821967125514, −8.525739829803107516492723214102, −7.62048335838313796019554431286, −6.62284643852099624859279541625, −5.50776315197719585679607520825, −4.55439283051130886075090275413, −3.54513003562805481623977464655, −1.55803189478422709123567323036, 0, 1.55803189478422709123567323036, 3.54513003562805481623977464655, 4.55439283051130886075090275413, 5.50776315197719585679607520825, 6.62284643852099624859279541625, 7.62048335838313796019554431286, 8.525739829803107516492723214102, 9.089511133962875088821967125514, 10.04201122052202230625551273309

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