Properties

Label 2-7e4-1.1-c3-0-255
Degree $2$
Conductor $2401$
Sign $-1$
Analytic cond. $141.663$
Root an. cond. $11.9022$
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  − 5.14·2-s − 6.96·3-s + 18.5·4-s − 3.24·5-s + 35.8·6-s − 54.0·8-s + 21.4·9-s + 16.7·10-s + 58.8·11-s − 128.·12-s − 47.9·13-s + 22.5·15-s + 130.·16-s + 84.9·17-s − 110.·18-s − 54.8·19-s − 60.0·20-s − 302.·22-s + 150.·23-s + 376.·24-s − 114.·25-s + 246.·26-s + 38.6·27-s + 44.2·29-s − 116.·30-s − 95.7·31-s − 238.·32-s + ⋯
L(s)  = 1  − 1.82·2-s − 1.33·3-s + 2.31·4-s − 0.290·5-s + 2.43·6-s − 2.38·8-s + 0.794·9-s + 0.528·10-s + 1.61·11-s − 3.09·12-s − 1.02·13-s + 0.389·15-s + 2.03·16-s + 1.21·17-s − 1.44·18-s − 0.662·19-s − 0.671·20-s − 2.93·22-s + 1.36·23-s + 3.19·24-s − 0.915·25-s + 1.86·26-s + 0.275·27-s + 0.283·29-s − 0.708·30-s − 0.554·31-s − 1.31·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2401 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2401 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2401\)    =    \(7^{4}\)
Sign: $-1$
Analytic conductor: \(141.663\)
Root analytic conductor: \(11.9022\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2401,\ (\ :3/2),\ -1)\)

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)$
bad7 \( 1 \)
good2 \( 1 + 5.14T + 8T^{2} \)
3 \( 1 + 6.96T + 27T^{2} \)
5 \( 1 + 3.24T + 125T^{2} \)
11 \( 1 - 58.8T + 1.33e3T^{2} \)
13 \( 1 + 47.9T + 2.19e3T^{2} \)
17 \( 1 - 84.9T + 4.91e3T^{2} \)
19 \( 1 + 54.8T + 6.85e3T^{2} \)
23 \( 1 - 150.T + 1.21e4T^{2} \)
29 \( 1 - 44.2T + 2.43e4T^{2} \)
31 \( 1 + 95.7T + 2.97e4T^{2} \)
37 \( 1 - 209.T + 5.06e4T^{2} \)
41 \( 1 + 354.T + 6.89e4T^{2} \)
43 \( 1 - 221.T + 7.95e4T^{2} \)
47 \( 1 - 235.T + 1.03e5T^{2} \)
53 \( 1 + 508.T + 1.48e5T^{2} \)
59 \( 1 + 439.T + 2.05e5T^{2} \)
61 \( 1 - 51.4T + 2.26e5T^{2} \)
67 \( 1 + 263.T + 3.00e5T^{2} \)
71 \( 1 - 203.T + 3.57e5T^{2} \)
73 \( 1 - 679.T + 3.89e5T^{2} \)
79 \( 1 + 189.T + 4.93e5T^{2} \)
83 \( 1 + 520.T + 5.71e5T^{2} \)
89 \( 1 + 1.49e3T + 7.04e5T^{2} \)
97 \( 1 + 712.T + 9.12e5T^{2} \)
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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

−8.267229281042463833029792588323, −7.45725868310168630943340200517, −6.83344527151350419368327862906, −6.24892117113885936527527725292, −5.38807269294351406455495916253, −4.27158263607913548418963893814, −2.97625398661059338470275794082, −1.63426610561833189853844572359, −0.882509654731063653431930932475, 0, 0.882509654731063653431930932475, 1.63426610561833189853844572359, 2.97625398661059338470275794082, 4.27158263607913548418963893814, 5.38807269294351406455495916253, 6.24892117113885936527527725292, 6.83344527151350419368327862906, 7.45725868310168630943340200517, 8.267229281042463833029792588323

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