Properties

Label 2-69-1.1-c3-0-1
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  − 2.31·2-s − 3·3-s − 2.65·4-s − 6.33·5-s + 6.93·6-s + 17.5·7-s + 24.6·8-s + 9·9-s + 14.6·10-s − 16.1·11-s + 7.96·12-s + 71.6·13-s − 40.6·14-s + 18.9·15-s − 35.7·16-s + 14.0·17-s − 20.8·18-s + 129.·19-s + 16.8·20-s − 52.7·21-s + 37.4·22-s − 23·23-s − 73.9·24-s − 84.9·25-s − 165.·26-s − 27·27-s − 46.6·28-s + ⋯
L(s)  = 1  − 0.817·2-s − 0.577·3-s − 0.331·4-s − 0.566·5-s + 0.471·6-s + 0.950·7-s + 1.08·8-s + 0.333·9-s + 0.462·10-s − 0.443·11-s + 0.191·12-s + 1.52·13-s − 0.776·14-s + 0.326·15-s − 0.558·16-s + 0.200·17-s − 0.272·18-s + 1.55·19-s + 0.187·20-s − 0.548·21-s + 0.362·22-s − 0.208·23-s − 0.628·24-s − 0.679·25-s − 1.24·26-s − 0.192·27-s − 0.315·28-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

\(L(2)\) \(\approx\) \(0.7248805235\)
\(L(\frac12)\) \(\approx\) \(0.7248805235\)
\(L(\frac{5}{2})\) 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 \( 1 + 2.31T + 8T^{2} \)
5 \( 1 + 6.33T + 125T^{2} \)
7 \( 1 - 17.5T + 343T^{2} \)
11 \( 1 + 16.1T + 1.33e3T^{2} \)
13 \( 1 - 71.6T + 2.19e3T^{2} \)
17 \( 1 - 14.0T + 4.91e3T^{2} \)
19 \( 1 - 129.T + 6.85e3T^{2} \)
29 \( 1 + 70.4T + 2.43e4T^{2} \)
31 \( 1 - 93.8T + 2.97e4T^{2} \)
37 \( 1 - 308.T + 5.06e4T^{2} \)
41 \( 1 - 389.T + 6.89e4T^{2} \)
43 \( 1 + 87.8T + 7.95e4T^{2} \)
47 \( 1 - 341.T + 1.03e5T^{2} \)
53 \( 1 + 115.T + 1.48e5T^{2} \)
59 \( 1 - 612.T + 2.05e5T^{2} \)
61 \( 1 - 226.T + 2.26e5T^{2} \)
67 \( 1 - 141.T + 3.00e5T^{2} \)
71 \( 1 - 678.T + 3.57e5T^{2} \)
73 \( 1 + 1.13e3T + 3.89e5T^{2} \)
79 \( 1 - 45.5T + 4.93e5T^{2} \)
83 \( 1 + 585.T + 5.71e5T^{2} \)
89 \( 1 + 443.T + 7.04e5T^{2} \)
97 \( 1 + 1.23e3T + 9.12e5T^{2} \)
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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

−14.17199214077277136150773183141, −13.16675463472976862191658435173, −11.61427895997599934257966618603, −10.93652124483429389188108437476, −9.667572508112709288014549918395, −8.312472713994209862476576298500, −7.54929994408598862079196220939, −5.57268272022412019142522176134, −4.14127477592261345809332921604, −1.05066521813749114512041956298, 1.05066521813749114512041956298, 4.14127477592261345809332921604, 5.57268272022412019142522176134, 7.54929994408598862079196220939, 8.312472713994209862476576298500, 9.667572508112709288014549918395, 10.93652124483429389188108437476, 11.61427895997599934257966618603, 13.16675463472976862191658435173, 14.17199214077277136150773183141

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