Properties

Label 2-390-1.1-c5-0-30
Degree $2$
Conductor $390$
Sign $-1$
Analytic cond. $62.5496$
Root an. cond. $7.90883$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 4·2-s − 9·3-s + 16·4-s + 25·5-s + 36·6-s + 227·7-s − 64·8-s + 81·9-s − 100·10-s − 303·11-s − 144·12-s + 169·13-s − 908·14-s − 225·15-s + 256·16-s − 1.20e3·17-s − 324·18-s − 34·19-s + 400·20-s − 2.04e3·21-s + 1.21e3·22-s − 4.39e3·23-s + 576·24-s + 625·25-s − 676·26-s − 729·27-s + 3.63e3·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 1/2·4-s + 0.447·5-s + 0.408·6-s + 1.75·7-s − 0.353·8-s + 1/3·9-s − 0.316·10-s − 0.755·11-s − 0.288·12-s + 0.277·13-s − 1.23·14-s − 0.258·15-s + 1/4·16-s − 1.00·17-s − 0.235·18-s − 0.0216·19-s + 0.223·20-s − 1.01·21-s + 0.533·22-s − 1.73·23-s + 0.204·24-s + 1/5·25-s − 0.196·26-s − 0.192·27-s + 0.875·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(390\)    =    \(2 \cdot 3 \cdot 5 \cdot 13\)
Sign: $-1$
Analytic conductor: \(62.5496\)
Root analytic conductor: \(7.90883\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 390,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p^{2} T \)
3 \( 1 + p^{2} T \)
5 \( 1 - p^{2} T \)
13 \( 1 - p^{2} T \)
good7 \( 1 - 227 T + p^{5} T^{2} \)
11 \( 1 + 303 T + p^{5} T^{2} \)
17 \( 1 + 1203 T + p^{5} T^{2} \)
19 \( 1 + 34 T + p^{5} T^{2} \)
23 \( 1 + 4395 T + p^{5} T^{2} \)
29 \( 1 + 3246 T + p^{5} T^{2} \)
31 \( 1 - 1778 T + p^{5} T^{2} \)
37 \( 1 + 7819 T + p^{5} T^{2} \)
41 \( 1 - 10659 T + p^{5} T^{2} \)
43 \( 1 + 7876 T + p^{5} T^{2} \)
47 \( 1 - 21102 T + p^{5} T^{2} \)
53 \( 1 + 9723 T + p^{5} T^{2} \)
59 \( 1 + 50520 T + p^{5} T^{2} \)
61 \( 1 + 23599 T + p^{5} T^{2} \)
67 \( 1 - 55484 T + p^{5} T^{2} \)
71 \( 1 - 20721 T + p^{5} T^{2} \)
73 \( 1 + 40042 T + p^{5} T^{2} \)
79 \( 1 + 82753 T + p^{5} T^{2} \)
83 \( 1 + 42048 T + p^{5} T^{2} \)
89 \( 1 - 39441 T + p^{5} T^{2} \)
97 \( 1 - 151667 T + p^{5} T^{2} \)
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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

−10.25943416542025317562638930922, −9.057280527188201484480309364247, −8.154111802280184335549480788975, −7.45418062661972412359448304870, −6.17751310936590689285132639152, −5.28517510480140860563302734527, −4.26659571281445905722748528791, −2.27506659431639832601701869565, −1.46336511794818534234419729551, 0, 1.46336511794818534234419729551, 2.27506659431639832601701869565, 4.26659571281445905722748528791, 5.28517510480140860563302734527, 6.17751310936590689285132639152, 7.45418062661972412359448304870, 8.154111802280184335549480788975, 9.057280527188201484480309364247, 10.25943416542025317562638930922

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