Properties

Label 2-390-1.1-c3-0-23
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 − 28·7-s + 8·8-s + 9·9-s − 10·10-s − 36·11-s + 12·12-s + 13·13-s − 56·14-s − 15·15-s + 16·16-s + 42·17-s + 18·18-s − 112·19-s − 20·20-s − 84·21-s − 72·22-s − 168·23-s + 24·24-s + 25·25-s + 26·26-s + 27·27-s − 112·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577·3-s + 1/2·4-s − 0.447·5-s + 0.408·6-s − 1.51·7-s + 0.353·8-s + 1/3·9-s − 0.316·10-s − 0.986·11-s + 0.288·12-s + 0.277·13-s − 1.06·14-s − 0.258·15-s + 1/4·16-s + 0.599·17-s + 0.235·18-s − 1.35·19-s − 0.223·20-s − 0.872·21-s − 0.697·22-s − 1.52·23-s + 0.204·24-s + 1/5·25-s + 0.196·26-s + 0.192·27-s − 0.755·28-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 \( 1 + 4 p T + p^{3} T^{2} \)
11 \( 1 + 36 T + p^{3} T^{2} \)
17 \( 1 - 42 T + p^{3} T^{2} \)
19 \( 1 + 112 T + p^{3} T^{2} \)
23 \( 1 + 168 T + p^{3} T^{2} \)
29 \( 1 + 210 T + p^{3} T^{2} \)
31 \( 1 + 76 T + p^{3} T^{2} \)
37 \( 1 - 278 T + p^{3} T^{2} \)
41 \( 1 - 150 T + p^{3} T^{2} \)
43 \( 1 + 460 T + p^{3} T^{2} \)
47 \( 1 + 264 T + p^{3} T^{2} \)
53 \( 1 - 582 T + p^{3} T^{2} \)
59 \( 1 + 204 T + p^{3} T^{2} \)
61 \( 1 - 614 T + p^{3} T^{2} \)
67 \( 1 + 304 T + p^{3} T^{2} \)
71 \( 1 - 1080 T + p^{3} T^{2} \)
73 \( 1 + 934 T + p^{3} T^{2} \)
79 \( 1 - 128 T + p^{3} T^{2} \)
83 \( 1 - 348 T + p^{3} T^{2} \)
89 \( 1 + 834 T + p^{3} T^{2} \)
97 \( 1 + 1582 T + p^{3} T^{2} \)
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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

−10.34970176876581336820634933666, −9.700981604879443914816940732102, −8.441710174847126053909479781048, −7.57486060148700750452463852260, −6.52811221714818951388471894521, −5.63359416374899499585519206423, −4.13113128435342818801738871478, −3.37063427799304724298021889981, −2.26944481994306682534377430817, 0, 2.26944481994306682534377430817, 3.37063427799304724298021889981, 4.13113128435342818801738871478, 5.63359416374899499585519206423, 6.52811221714818951388471894521, 7.57486060148700750452463852260, 8.441710174847126053909479781048, 9.700981604879443914816940732102, 10.34970176876581336820634933666

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