Properties

Label 2-69-1.1-c3-0-5
Degree $2$
Conductor $69$
Sign $-1$
Analytic cond. $4.07113$
Root an. cond. $2.01770$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.82·2-s − 3·3-s + 6.65·4-s + 15.3·5-s + 11.4·6-s − 16.8·7-s + 5.14·8-s + 9·9-s − 58.6·10-s − 55.7·11-s − 19.9·12-s − 46.9·13-s + 64.4·14-s − 45.9·15-s − 72.9·16-s + 62.1·17-s − 34.4·18-s − 141.·19-s + 101.·20-s + 50.4·21-s + 213.·22-s + 23·23-s − 15.4·24-s + 109.·25-s + 179.·26-s − 27·27-s − 112.·28-s + ⋯
L(s)  = 1  − 1.35·2-s − 0.577·3-s + 0.832·4-s + 1.36·5-s + 0.781·6-s − 0.908·7-s + 0.227·8-s + 0.333·9-s − 1.85·10-s − 1.52·11-s − 0.480·12-s − 1.00·13-s + 1.22·14-s − 0.790·15-s − 1.13·16-s + 0.886·17-s − 0.451·18-s − 1.71·19-s + 1.13·20-s + 0.524·21-s + 2.07·22-s + 0.208·23-s − 0.131·24-s + 0.876·25-s + 1.35·26-s − 0.192·27-s − 0.756·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(69\)    =    \(3 \cdot 23\)
Sign: $-1$
Analytic conductor: \(4.07113\)
Root analytic conductor: \(2.01770\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 69,\ (\ :3/2),\ -1)\)

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)$
bad3 \( 1 + 3T \)
23 \( 1 - 23T \)
good2 \( 1 + 3.82T + 8T^{2} \)
5 \( 1 - 15.3T + 125T^{2} \)
7 \( 1 + 16.8T + 343T^{2} \)
11 \( 1 + 55.7T + 1.33e3T^{2} \)
13 \( 1 + 46.9T + 2.19e3T^{2} \)
17 \( 1 - 62.1T + 4.91e3T^{2} \)
19 \( 1 + 141.T + 6.85e3T^{2} \)
29 \( 1 + 288.T + 2.43e4T^{2} \)
31 \( 1 - 68.7T + 2.97e4T^{2} \)
37 \( 1 - 179.T + 5.06e4T^{2} \)
41 \( 1 + 71.5T + 6.89e4T^{2} \)
43 \( 1 + 159.T + 7.95e4T^{2} \)
47 \( 1 + 272.T + 1.03e5T^{2} \)
53 \( 1 + 12.2T + 1.48e5T^{2} \)
59 \( 1 - 426.T + 2.05e5T^{2} \)
61 \( 1 + 243.T + 2.26e5T^{2} \)
67 \( 1 + 81.0T + 3.00e5T^{2} \)
71 \( 1 - 696.T + 3.57e5T^{2} \)
73 \( 1 - 568.T + 3.89e5T^{2} \)
79 \( 1 - 719.T + 4.93e5T^{2} \)
83 \( 1 - 1.33e3T + 5.71e5T^{2} \)
89 \( 1 + 337.T + 7.04e5T^{2} \)
97 \( 1 + 1.41e3T + 9.12e5T^{2} \)
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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

−13.37433642322095646484301674217, −12.72023789911309225035031150364, −10.83361623286875042199156215769, −10.02699724477166689535120897051, −9.482201218856190001875249790538, −7.906537249224879540047483372662, −6.55572117476108536699791502780, −5.25543499953266234135402390379, −2.21748889515457399513018714516, 0, 2.21748889515457399513018714516, 5.25543499953266234135402390379, 6.55572117476108536699791502780, 7.906537249224879540047483372662, 9.482201218856190001875249790538, 10.02699724477166689535120897051, 10.83361623286875042199156215769, 12.72023789911309225035031150364, 13.37433642322095646484301674217

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