Properties

Label 2-69-1.1-c7-0-20
Degree $2$
Conductor $69$
Sign $1$
Analytic cond. $21.5545$
Root an. cond. $4.64268$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 21.5·2-s + 27·3-s + 335.·4-s + 54.7·5-s + 581.·6-s − 565.·7-s + 4.47e3·8-s + 729·9-s + 1.17e3·10-s − 890.·11-s + 9.06e3·12-s + 1.24e4·13-s − 1.21e4·14-s + 1.47e3·15-s + 5.34e4·16-s − 2.69e3·17-s + 1.57e4·18-s − 5.60e4·19-s + 1.83e4·20-s − 1.52e4·21-s − 1.91e4·22-s + 1.21e4·23-s + 1.20e5·24-s − 7.51e4·25-s + 2.67e5·26-s + 1.96e4·27-s − 1.89e5·28-s + ⋯
L(s)  = 1  + 1.90·2-s + 0.577·3-s + 2.62·4-s + 0.195·5-s + 1.09·6-s − 0.622·7-s + 3.09·8-s + 0.333·9-s + 0.372·10-s − 0.201·11-s + 1.51·12-s + 1.56·13-s − 1.18·14-s + 0.113·15-s + 3.26·16-s − 0.132·17-s + 0.634·18-s − 1.87·19-s + 0.513·20-s − 0.359·21-s − 0.383·22-s + 0.208·23-s + 1.78·24-s − 0.961·25-s + 2.98·26-s + 0.192·27-s − 1.63·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(69\)    =    \(3 \cdot 23\)
Sign: $1$
Analytic conductor: \(21.5545\)
Root analytic conductor: \(4.64268\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 69,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(7.372527103\)
\(L(\frac12)\) \(\approx\) \(7.372527103\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - 27T \)
23 \( 1 - 1.21e4T \)
good2 \( 1 - 21.5T + 128T^{2} \)
5 \( 1 - 54.7T + 7.81e4T^{2} \)
7 \( 1 + 565.T + 8.23e5T^{2} \)
11 \( 1 + 890.T + 1.94e7T^{2} \)
13 \( 1 - 1.24e4T + 6.27e7T^{2} \)
17 \( 1 + 2.69e3T + 4.10e8T^{2} \)
19 \( 1 + 5.60e4T + 8.93e8T^{2} \)
29 \( 1 + 7.26e4T + 1.72e10T^{2} \)
31 \( 1 - 2.07e5T + 2.75e10T^{2} \)
37 \( 1 + 1.60e5T + 9.49e10T^{2} \)
41 \( 1 + 5.62e5T + 1.94e11T^{2} \)
43 \( 1 - 7.55e3T + 2.71e11T^{2} \)
47 \( 1 - 3.74e5T + 5.06e11T^{2} \)
53 \( 1 - 9.63e4T + 1.17e12T^{2} \)
59 \( 1 + 1.29e6T + 2.48e12T^{2} \)
61 \( 1 - 1.20e6T + 3.14e12T^{2} \)
67 \( 1 - 3.81e6T + 6.06e12T^{2} \)
71 \( 1 + 6.49e5T + 9.09e12T^{2} \)
73 \( 1 + 2.81e6T + 1.10e13T^{2} \)
79 \( 1 + 8.07e5T + 1.92e13T^{2} \)
83 \( 1 + 4.40e6T + 2.71e13T^{2} \)
89 \( 1 + 1.28e7T + 4.42e13T^{2} \)
97 \( 1 + 2.57e6T + 8.07e13T^{2} \)
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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

−13.32246753924745527850588487321, −12.72969970967303028600643993609, −11.38064006886655798372953793395, −10.29569796167023940317568120466, −8.401589609885091478693690626346, −6.74989734378973805663875310998, −5.91040683742320675326419691076, −4.29109766510332481824571749337, −3.29516518957632270922038236763, −1.93978661155807012447190946587, 1.93978661155807012447190946587, 3.29516518957632270922038236763, 4.29109766510332481824571749337, 5.91040683742320675326419691076, 6.74989734378973805663875310998, 8.401589609885091478693690626346, 10.29569796167023940317568120466, 11.38064006886655798372953793395, 12.72969970967303028600643993609, 13.32246753924745527850588487321

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