Properties

Label 2-693-1.1-c1-0-8
Degree $2$
Conductor $693$
Sign $1$
Analytic cond. $5.53363$
Root an. cond. $2.35236$
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 − 4-s + 2·5-s + 7-s − 3·8-s + 2·10-s + 11-s + 6·13-s + 14-s − 16-s − 2·17-s + 4·19-s − 2·20-s + 22-s − 25-s + 6·26-s − 28-s + 2·29-s + 8·31-s + 5·32-s − 2·34-s + 2·35-s + 6·37-s + 4·38-s − 6·40-s − 10·41-s − 4·43-s + ⋯
L(s)  = 1  + 0.707·2-s − 1/2·4-s + 0.894·5-s + 0.377·7-s − 1.06·8-s + 0.632·10-s + 0.301·11-s + 1.66·13-s + 0.267·14-s − 1/4·16-s − 0.485·17-s + 0.917·19-s − 0.447·20-s + 0.213·22-s − 1/5·25-s + 1.17·26-s − 0.188·28-s + 0.371·29-s + 1.43·31-s + 0.883·32-s − 0.342·34-s + 0.338·35-s + 0.986·37-s + 0.648·38-s − 0.948·40-s − 1.56·41-s − 0.609·43-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 693 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 693 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(693\)    =    \(3^{2} \cdot 7 \cdot 11\)
Sign: $1$
Analytic conductor: \(5.53363\)
Root analytic conductor: \(2.35236\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 693,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.282665969\)
\(L(\frac12)\) \(\approx\) \(2.282665969\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 - T \)
11 \( 1 - T \)
good2 \( 1 - T + p T^{2} \)
5 \( 1 - 2 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 12 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + 18 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−10.43992262323557902979025907081, −9.532486316872857827405438492086, −8.828553587531720858173448507294, −8.022234507412907531082436990413, −6.48470121230921862341444525516, −5.94382173518356535675711078051, −4.99234291175372167776627453992, −4.04378612288062447958179145910, −2.95767079823181201960858613834, −1.34955496402027160249830766749, 1.34955496402027160249830766749, 2.95767079823181201960858613834, 4.04378612288062447958179145910, 4.99234291175372167776627453992, 5.94382173518356535675711078051, 6.48470121230921862341444525516, 8.022234507412907531082436990413, 8.828553587531720858173448507294, 9.532486316872857827405438492086, 10.43992262323557902979025907081

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