Properties

Label 2-390-1.1-c3-0-20
Degree $2$
Conductor $390$
Sign $-1$
Analytic cond. $23.0107$
Root an. cond. $4.79695$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 3·3-s + 4·4-s + 5·5-s − 6·6-s − 13·7-s − 8·8-s + 9·9-s − 10·10-s − 15·11-s + 12·12-s + 13·13-s + 26·14-s + 15·15-s + 16·16-s − 75·17-s − 18·18-s − 130·19-s + 20·20-s − 39·21-s + 30·22-s + 45·23-s − 24·24-s + 25·25-s − 26·26-s + 27·27-s − 52·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.577·3-s + 1/2·4-s + 0.447·5-s − 0.408·6-s − 0.701·7-s − 0.353·8-s + 1/3·9-s − 0.316·10-s − 0.411·11-s + 0.288·12-s + 0.277·13-s + 0.496·14-s + 0.258·15-s + 1/4·16-s − 1.07·17-s − 0.235·18-s − 1.56·19-s + 0.223·20-s − 0.405·21-s + 0.290·22-s + 0.407·23-s − 0.204·24-s + 1/5·25-s − 0.196·26-s + 0.192·27-s − 0.350·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(390\)    =    \(2 \cdot 3 \cdot 5 \cdot 13\)
Sign: $-1$
Analytic conductor: \(23.0107\)
Root analytic conductor: \(4.79695\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 390,\ (\ :3/2),\ -1)\)

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 \( 1 + p T \)
3 \( 1 - p T \)
5 \( 1 - p T \)
13 \( 1 - p T \)
good7 \( 1 + 13 T + p^{3} T^{2} \)
11 \( 1 + 15 T + p^{3} T^{2} \)
17 \( 1 + 75 T + p^{3} T^{2} \)
19 \( 1 + 130 T + p^{3} T^{2} \)
23 \( 1 - 45 T + p^{3} T^{2} \)
29 \( 1 + 138 T + p^{3} T^{2} \)
31 \( 1 + 34 T + p^{3} T^{2} \)
37 \( 1 + 379 T + p^{3} T^{2} \)
41 \( 1 - 243 T + p^{3} T^{2} \)
43 \( 1 - 416 T + p^{3} T^{2} \)
47 \( 1 - 378 T + p^{3} T^{2} \)
53 \( 1 + 3 T + p^{3} T^{2} \)
59 \( 1 + 816 T + p^{3} T^{2} \)
61 \( 1 + 607 T + p^{3} T^{2} \)
67 \( 1 + 700 T + p^{3} T^{2} \)
71 \( 1 - 57 T + p^{3} T^{2} \)
73 \( 1 + 1162 T + p^{3} T^{2} \)
79 \( 1 + T + p^{3} T^{2} \)
83 \( 1 - 672 T + p^{3} T^{2} \)
89 \( 1 - 969 T + p^{3} T^{2} \)
97 \( 1 + 949 T + p^{3} T^{2} \)
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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

−10.49746217776190218249311450062, −9.167627627909269886721340304860, −8.958240472993383321724222193928, −7.72691340841588252227533406787, −6.75718508440419394584933015533, −5.88095723867238428202706142257, −4.28226180805879219393266164906, −2.90267095188749439000892491153, −1.85149761686507112539677105631, 0, 1.85149761686507112539677105631, 2.90267095188749439000892491153, 4.28226180805879219393266164906, 5.88095723867238428202706142257, 6.75718508440419394584933015533, 7.72691340841588252227533406787, 8.958240472993383321724222193928, 9.167627627909269886721340304860, 10.49746217776190218249311450062

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