Properties

Label 2-690-1.1-c3-0-28
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 − 19·7-s − 8·8-s + 9·9-s − 10·10-s − 24·11-s − 12·12-s + 44·13-s + 38·14-s − 15·15-s + 16·16-s + 75·17-s − 18·18-s − 16·19-s + 20·20-s + 57·21-s + 48·22-s − 23·23-s + 24·24-s + 25·25-s − 88·26-s − 27·27-s − 76·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 1/2·4-s + 0.447·5-s + 0.408·6-s − 1.02·7-s − 0.353·8-s + 1/3·9-s − 0.316·10-s − 0.657·11-s − 0.288·12-s + 0.938·13-s + 0.725·14-s − 0.258·15-s + 1/4·16-s + 1.07·17-s − 0.235·18-s − 0.193·19-s + 0.223·20-s + 0.592·21-s + 0.465·22-s − 0.208·23-s + 0.204·24-s + 1/5·25-s − 0.663·26-s − 0.192·27-s − 0.512·28-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 \( 1 + 19 T + p^{3} T^{2} \)
11 \( 1 + 24 T + p^{3} T^{2} \)
13 \( 1 - 44 T + p^{3} T^{2} \)
17 \( 1 - 75 T + p^{3} T^{2} \)
19 \( 1 + 16 T + p^{3} T^{2} \)
29 \( 1 + 123 T + p^{3} T^{2} \)
31 \( 1 + 43 T + p^{3} T^{2} \)
37 \( 1 + 43 T + p^{3} T^{2} \)
41 \( 1 - 207 T + p^{3} T^{2} \)
43 \( 1 - 236 T + p^{3} T^{2} \)
47 \( 1 + 30 T + p^{3} T^{2} \)
53 \( 1 - 519 T + p^{3} T^{2} \)
59 \( 1 - 39 T + p^{3} T^{2} \)
61 \( 1 + 190 T + p^{3} T^{2} \)
67 \( 1 + 295 T + p^{3} T^{2} \)
71 \( 1 + 603 T + p^{3} T^{2} \)
73 \( 1 - 668 T + p^{3} T^{2} \)
79 \( 1 + 1276 T + p^{3} T^{2} \)
83 \( 1 + 573 T + p^{3} T^{2} \)
89 \( 1 - 456 T + p^{3} T^{2} \)
97 \( 1 + 1186 T + p^{3} T^{2} \)
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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

−9.732284519936668521927741988885, −8.955862766182411448229849998272, −7.88511787675907276840478511041, −6.98594788784380040625703820608, −6.03300275501891073219286674952, −5.50539960391504948354731441913, −3.87497308908400701397697154013, −2.72620936090424641501176099382, −1.28058594126146580222636944374, 0, 1.28058594126146580222636944374, 2.72620936090424641501176099382, 3.87497308908400701397697154013, 5.50539960391504948354731441913, 6.03300275501891073219286674952, 6.98594788784380040625703820608, 7.88511787675907276840478511041, 8.955862766182411448229849998272, 9.732284519936668521927741988885

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