Properties

Label 2-69-1.1-c7-0-15
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8.53·2-s + 27·3-s − 55.0·4-s − 446.·5-s − 230.·6-s + 1.77e3·7-s + 1.56e3·8-s + 729·9-s + 3.81e3·10-s − 5.07e3·11-s − 1.48e3·12-s + 1.04e4·13-s − 1.51e4·14-s − 1.20e4·15-s − 6.30e3·16-s − 976.·17-s − 6.22e3·18-s − 4.79e4·19-s + 2.45e4·20-s + 4.77e4·21-s + 4.33e4·22-s − 1.21e4·23-s + 4.22e4·24-s + 1.20e5·25-s − 8.90e4·26-s + 1.96e4·27-s − 9.74e4·28-s + ⋯
L(s)  = 1  − 0.754·2-s + 0.577·3-s − 0.430·4-s − 1.59·5-s − 0.435·6-s + 1.95·7-s + 1.07·8-s + 0.333·9-s + 1.20·10-s − 1.14·11-s − 0.248·12-s + 1.31·13-s − 1.47·14-s − 0.921·15-s − 0.384·16-s − 0.0482·17-s − 0.251·18-s − 1.60·19-s + 0.686·20-s + 1.12·21-s + 0.868·22-s − 0.208·23-s + 0.623·24-s + 1.54·25-s − 0.993·26-s + 0.192·27-s − 0.839·28-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: \(1\)
Selberg data: \((2,\ 69,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) 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 \( 1 + 8.53T + 128T^{2} \)
5 \( 1 + 446.T + 7.81e4T^{2} \)
7 \( 1 - 1.77e3T + 8.23e5T^{2} \)
11 \( 1 + 5.07e3T + 1.94e7T^{2} \)
13 \( 1 - 1.04e4T + 6.27e7T^{2} \)
17 \( 1 + 976.T + 4.10e8T^{2} \)
19 \( 1 + 4.79e4T + 8.93e8T^{2} \)
29 \( 1 + 7.07e4T + 1.72e10T^{2} \)
31 \( 1 + 1.07e5T + 2.75e10T^{2} \)
37 \( 1 + 4.00e5T + 9.49e10T^{2} \)
41 \( 1 - 3.51e5T + 1.94e11T^{2} \)
43 \( 1 + 5.61e5T + 2.71e11T^{2} \)
47 \( 1 + 4.14e5T + 5.06e11T^{2} \)
53 \( 1 + 1.16e6T + 1.17e12T^{2} \)
59 \( 1 + 1.73e6T + 2.48e12T^{2} \)
61 \( 1 + 2.22e6T + 3.14e12T^{2} \)
67 \( 1 - 2.16e6T + 6.06e12T^{2} \)
71 \( 1 - 2.37e6T + 9.09e12T^{2} \)
73 \( 1 - 3.18e6T + 1.10e13T^{2} \)
79 \( 1 + 6.55e6T + 1.92e13T^{2} \)
83 \( 1 + 4.67e6T + 2.71e13T^{2} \)
89 \( 1 + 1.99e6T + 4.42e13T^{2} \)
97 \( 1 + 2.86e6T + 8.07e13T^{2} \)
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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

−12.73653751276774651178936347282, −11.17280067219446102653865723604, −10.70820435526574583228336995065, −8.644588458189265474107640883524, −8.234338816005188208876555180738, −7.55602024880720791938624531374, −4.85599278304017360325565667356, −3.90767091063866880363785371827, −1.62994871660570283132174531753, 0, 1.62994871660570283132174531753, 3.90767091063866880363785371827, 4.85599278304017360325565667356, 7.55602024880720791938624531374, 8.234338816005188208876555180738, 8.644588458189265474107640883524, 10.70820435526574583228336995065, 11.17280067219446102653865723604, 12.73653751276774651178936347282

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