Properties

Label 2-69-1.1-c3-0-4
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.801·2-s − 3·3-s − 7.35·4-s + 20.8·5-s − 2.40·6-s + 14.6·7-s − 12.3·8-s + 9·9-s + 16.7·10-s + 69.6·11-s + 22.0·12-s − 4.18·13-s + 11.7·14-s − 62.5·15-s + 48.9·16-s − 83.8·17-s + 7.21·18-s − 24.8·19-s − 153.·20-s − 43.8·21-s + 55.8·22-s − 23·23-s + 36.9·24-s + 309.·25-s − 3.35·26-s − 27·27-s − 107.·28-s + ⋯
L(s)  = 1  + 0.283·2-s − 0.577·3-s − 0.919·4-s + 1.86·5-s − 0.163·6-s + 0.788·7-s − 0.544·8-s + 0.333·9-s + 0.528·10-s + 1.90·11-s + 0.530·12-s − 0.0893·13-s + 0.223·14-s − 1.07·15-s + 0.765·16-s − 1.19·17-s + 0.0945·18-s − 0.299·19-s − 1.71·20-s − 0.455·21-s + 0.541·22-s − 0.208·23-s + 0.314·24-s + 2.47·25-s − 0.0253·26-s − 0.192·27-s − 0.725·28-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: \(0\)
Selberg data: \((2,\ 69,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.658157518\)
\(L(\frac12)\) \(\approx\) \(1.658157518\)
\(L(\frac{5}{2})\) 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 \( 1 - 0.801T + 8T^{2} \)
5 \( 1 - 20.8T + 125T^{2} \)
7 \( 1 - 14.6T + 343T^{2} \)
11 \( 1 - 69.6T + 1.33e3T^{2} \)
13 \( 1 + 4.18T + 2.19e3T^{2} \)
17 \( 1 + 83.8T + 4.91e3T^{2} \)
19 \( 1 + 24.8T + 6.85e3T^{2} \)
29 \( 1 + 252.T + 2.43e4T^{2} \)
31 \( 1 - 129.T + 2.97e4T^{2} \)
37 \( 1 + 337.T + 5.06e4T^{2} \)
41 \( 1 - 21.7T + 6.89e4T^{2} \)
43 \( 1 - 325.T + 7.95e4T^{2} \)
47 \( 1 - 109.T + 1.03e5T^{2} \)
53 \( 1 + 4.65T + 1.48e5T^{2} \)
59 \( 1 + 376.T + 2.05e5T^{2} \)
61 \( 1 - 61.4T + 2.26e5T^{2} \)
67 \( 1 + 615.T + 3.00e5T^{2} \)
71 \( 1 + 295.T + 3.57e5T^{2} \)
73 \( 1 - 48.7T + 3.89e5T^{2} \)
79 \( 1 - 470.T + 4.93e5T^{2} \)
83 \( 1 + 50.1T + 5.71e5T^{2} \)
89 \( 1 + 9.17T + 7.04e5T^{2} \)
97 \( 1 + 431.T + 9.12e5T^{2} \)
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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

−14.08191050809862734386179832193, −13.36906398136735245311096382556, −12.19426772070960206684666331849, −10.84051515298872681501679773032, −9.518124798370091115602919175928, −8.892910743681534021859256320510, −6.58190194537437301865220843740, −5.58902167351863905511184642244, −4.35747050757119671683645719706, −1.61030033591133727410187809762, 1.61030033591133727410187809762, 4.35747050757119671683645719706, 5.58902167351863905511184642244, 6.58190194537437301865220843740, 8.892910743681534021859256320510, 9.518124798370091115602919175928, 10.84051515298872681501679773032, 12.19426772070960206684666331849, 13.36906398136735245311096382556, 14.08191050809862734386179832193

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