Properties

Label 2-390-1.1-c7-0-55
Degree $2$
Conductor $390$
Sign $-1$
Analytic cond. $121.830$
Root an. cond. $11.0376$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·2-s + 27·3-s + 64·4-s + 125·5-s + 216·6-s + 363·7-s + 512·8-s + 729·9-s + 1.00e3·10-s − 8.40e3·11-s + 1.72e3·12-s − 2.19e3·13-s + 2.90e3·14-s + 3.37e3·15-s + 4.09e3·16-s − 3.80e3·17-s + 5.83e3·18-s − 1.13e4·19-s + 8.00e3·20-s + 9.80e3·21-s − 6.72e4·22-s − 2.83e4·23-s + 1.38e4·24-s + 1.56e4·25-s − 1.75e4·26-s + 1.96e4·27-s + 2.32e4·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577·3-s + 1/2·4-s + 0.447·5-s + 0.408·6-s + 0.400·7-s + 0.353·8-s + 1/3·9-s + 0.316·10-s − 1.90·11-s + 0.288·12-s − 0.277·13-s + 0.282·14-s + 0.258·15-s + 1/4·16-s − 0.187·17-s + 0.235·18-s − 0.378·19-s + 0.223·20-s + 0.230·21-s − 1.34·22-s − 0.486·23-s + 0.204·24-s + 1/5·25-s − 0.196·26-s + 0.192·27-s + 0.200·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(390\)    =    \(2 \cdot 3 \cdot 5 \cdot 13\)
Sign: $-1$
Analytic conductor: \(121.830\)
Root analytic conductor: \(11.0376\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 390,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{3} T \)
3 \( 1 - p^{3} T \)
5 \( 1 - p^{3} T \)
13 \( 1 + p^{3} T \)
good7 \( 1 - 363 T + p^{7} T^{2} \)
11 \( 1 + 8409 T + p^{7} T^{2} \)
17 \( 1 + 3801 T + p^{7} T^{2} \)
19 \( 1 + 11322 T + p^{7} T^{2} \)
23 \( 1 + 28375 T + p^{7} T^{2} \)
29 \( 1 + 114586 T + p^{7} T^{2} \)
31 \( 1 + 131934 T + p^{7} T^{2} \)
37 \( 1 + 280089 T + p^{7} T^{2} \)
41 \( 1 + 352465 T + p^{7} T^{2} \)
43 \( 1 + 341308 T + p^{7} T^{2} \)
47 \( 1 + 400554 T + p^{7} T^{2} \)
53 \( 1 - 1394355 T + p^{7} T^{2} \)
59 \( 1 - 1344816 T + p^{7} T^{2} \)
61 \( 1 - 390093 T + p^{7} T^{2} \)
67 \( 1 + 144572 T + p^{7} T^{2} \)
71 \( 1 - 5599747 T + p^{7} T^{2} \)
73 \( 1 - 2634346 T + p^{7} T^{2} \)
79 \( 1 + 6283383 T + p^{7} T^{2} \)
83 \( 1 + 7355204 T + p^{7} T^{2} \)
89 \( 1 - 3094341 T + p^{7} T^{2} \)
97 \( 1 + 1669915 T + p^{7} T^{2} \)
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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

−9.879234667449774195173005516485, −8.572499551182666733453169024658, −7.79709533149098257552268565947, −6.87313370769861602574122791467, −5.53949361285022255167530369821, −4.93814638723932526736045515513, −3.64801382425202945317060307263, −2.52767899124286624334398502545, −1.81577597976327428150589662743, 0, 1.81577597976327428150589662743, 2.52767899124286624334398502545, 3.64801382425202945317060307263, 4.93814638723932526736045515513, 5.53949361285022255167530369821, 6.87313370769861602574122791467, 7.79709533149098257552268565947, 8.572499551182666733453169024658, 9.879234667449774195173005516485

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