Properties

Label 2-690-1.1-c1-0-3
Degree $2$
Conductor $690$
Sign $1$
Analytic cond. $5.50967$
Root an. cond. $2.34727$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 3-s + 4-s − 5-s − 6-s + 8-s + 9-s − 10-s − 12-s + 6·13-s + 15-s + 16-s + 2·17-s + 18-s − 20-s − 23-s − 24-s + 25-s + 6·26-s − 27-s + 6·29-s + 30-s + 8·31-s + 32-s + 2·34-s + 36-s + 10·37-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s + 1/2·4-s − 0.447·5-s − 0.408·6-s + 0.353·8-s + 1/3·9-s − 0.316·10-s − 0.288·12-s + 1.66·13-s + 0.258·15-s + 1/4·16-s + 0.485·17-s + 0.235·18-s − 0.223·20-s − 0.208·23-s − 0.204·24-s + 1/5·25-s + 1.17·26-s − 0.192·27-s + 1.11·29-s + 0.182·30-s + 1.43·31-s + 0.176·32-s + 0.342·34-s + 1/6·36-s + 1.64·37-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(5.50967\)
Root analytic conductor: \(2.34727\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 690,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.949253368\)
\(L(\frac12)\) \(\approx\) \(1.949253368\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 + T \)
5 \( 1 + T \)
23 \( 1 + T \)
good7 \( 1 + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 + 8 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 - 18 T + p T^{2} \)
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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

−10.69696234533884622394355749914, −9.871544993622520353059832892538, −8.537206037121947139884084053940, −7.82443879413786556719070782655, −6.56989379181934243398131311271, −6.08309634878621601794680317739, −4.93421749373981937940111618456, −4.04939689132892717692595875585, −3.02400108992575685817499466920, −1.22203178801211012941035581235, 1.22203178801211012941035581235, 3.02400108992575685817499466920, 4.04939689132892717692595875585, 4.93421749373981937940111618456, 6.08309634878621601794680317739, 6.56989379181934243398131311271, 7.82443879413786556719070782655, 8.537206037121947139884084053940, 9.871544993622520353059832892538, 10.69696234533884622394355749914

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