Properties

Label 2-690-1.1-c3-0-31
Degree $2$
Conductor $690$
Sign $-1$
Analytic cond. $40.7113$
Root an. cond. $6.38054$
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 + 16·7-s − 8·8-s + 9·9-s − 10·10-s + 4·11-s − 12·12-s − 26·13-s − 32·14-s − 15·15-s + 16·16-s − 30·17-s − 18·18-s − 100·19-s + 20·20-s − 48·21-s − 8·22-s − 23·23-s + 24·24-s + 25·25-s + 52·26-s − 27·27-s + 64·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 1/2·4-s + 0.447·5-s + 0.408·6-s + 0.863·7-s − 0.353·8-s + 1/3·9-s − 0.316·10-s + 0.109·11-s − 0.288·12-s − 0.554·13-s − 0.610·14-s − 0.258·15-s + 1/4·16-s − 0.428·17-s − 0.235·18-s − 1.20·19-s + 0.223·20-s − 0.498·21-s − 0.0775·22-s − 0.208·23-s + 0.204·24-s + 1/5·25-s + 0.392·26-s − 0.192·27-s + 0.431·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $-1$
Analytic conductor: \(40.7113\)
Root analytic conductor: \(6.38054\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 690,\ (\ :3/2),\ -1)\)

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 \( 1 - p T \)
23 \( 1 + p T \)
good7 \( 1 - 16 T + p^{3} T^{2} \)
11 \( 1 - 4 T + p^{3} T^{2} \)
13 \( 1 + 2 p T + p^{3} T^{2} \)
17 \( 1 + 30 T + p^{3} T^{2} \)
19 \( 1 + 100 T + p^{3} T^{2} \)
29 \( 1 - 94 T + p^{3} T^{2} \)
31 \( 1 + 232 T + p^{3} T^{2} \)
37 \( 1 - 230 T + p^{3} T^{2} \)
41 \( 1 + 150 T + p^{3} T^{2} \)
43 \( 1 + 156 T + p^{3} T^{2} \)
47 \( 1 - 544 T + p^{3} T^{2} \)
53 \( 1 + 34 T + p^{3} T^{2} \)
59 \( 1 + 388 T + p^{3} T^{2} \)
61 \( 1 - 174 T + p^{3} T^{2} \)
67 \( 1 + 484 T + p^{3} T^{2} \)
71 \( 1 - 440 T + p^{3} T^{2} \)
73 \( 1 + 550 T + p^{3} T^{2} \)
79 \( 1 - 376 T + p^{3} T^{2} \)
83 \( 1 - 652 T + p^{3} T^{2} \)
89 \( 1 + 1350 T + p^{3} T^{2} \)
97 \( 1 + 542 T + p^{3} T^{2} \)
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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

−9.667419062241901770306373109435, −8.820700839338852450755283282014, −7.959523048645634439800788052476, −7.01998334178709121509938054029, −6.16456491221778499836401836427, −5.18337485588622598164344478893, −4.19104812111194959318743810500, −2.44265122640732001259296299414, −1.45900197536789464853170292589, 0, 1.45900197536789464853170292589, 2.44265122640732001259296299414, 4.19104812111194959318743810500, 5.18337485588622598164344478893, 6.16456491221778499836401836427, 7.01998334178709121509938054029, 7.959523048645634439800788052476, 8.820700839338852450755283282014, 9.667419062241901770306373109435

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