Properties

Label 2-7-1.1-c9-0-3
Degree $2$
Conductor $7$
Sign $-1$
Analytic cond. $3.60525$
Root an. cond. $1.89874$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 16.8·2-s + 109.·3-s − 226.·4-s − 2.43e3·5-s − 1.85e3·6-s − 2.40e3·7-s + 1.24e4·8-s − 7.62e3·9-s + 4.11e4·10-s − 2.85e4·11-s − 2.48e4·12-s + 1.38e5·13-s + 4.05e4·14-s − 2.67e5·15-s − 9.47e4·16-s − 1.01e5·17-s + 1.28e5·18-s − 4.88e5·19-s + 5.52e5·20-s − 2.63e5·21-s + 4.82e5·22-s − 1.40e5·23-s + 1.37e6·24-s + 3.99e6·25-s − 2.33e6·26-s − 2.99e6·27-s + 5.44e5·28-s + ⋯
L(s)  = 1  − 0.746·2-s + 0.782·3-s − 0.442·4-s − 1.74·5-s − 0.584·6-s − 0.377·7-s + 1.07·8-s − 0.387·9-s + 1.30·10-s − 0.587·11-s − 0.346·12-s + 1.34·13-s + 0.282·14-s − 1.36·15-s − 0.361·16-s − 0.293·17-s + 0.289·18-s − 0.860·19-s + 0.772·20-s − 0.295·21-s + 0.438·22-s − 0.104·23-s + 0.843·24-s + 2.04·25-s − 1.00·26-s − 1.08·27-s + 0.167·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7\)
Sign: $-1$
Analytic conductor: \(3.60525\)
Root analytic conductor: \(1.89874\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7,\ (\ :9/2),\ -1)\)

Particular Values

\(L(5)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{11}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + 2.40e3T \)
good2 \( 1 + 16.8T + 512T^{2} \)
3 \( 1 - 109.T + 1.96e4T^{2} \)
5 \( 1 + 2.43e3T + 1.95e6T^{2} \)
11 \( 1 + 2.85e4T + 2.35e9T^{2} \)
13 \( 1 - 1.38e5T + 1.06e10T^{2} \)
17 \( 1 + 1.01e5T + 1.18e11T^{2} \)
19 \( 1 + 4.88e5T + 3.22e11T^{2} \)
23 \( 1 + 1.40e5T + 1.80e12T^{2} \)
29 \( 1 + 6.31e6T + 1.45e13T^{2} \)
31 \( 1 + 1.00e6T + 2.64e13T^{2} \)
37 \( 1 - 1.19e7T + 1.29e14T^{2} \)
41 \( 1 + 2.15e7T + 3.27e14T^{2} \)
43 \( 1 - 1.65e7T + 5.02e14T^{2} \)
47 \( 1 + 2.67e7T + 1.11e15T^{2} \)
53 \( 1 - 3.74e7T + 3.29e15T^{2} \)
59 \( 1 - 1.81e7T + 8.66e15T^{2} \)
61 \( 1 + 2.50e7T + 1.16e16T^{2} \)
67 \( 1 + 2.18e8T + 2.72e16T^{2} \)
71 \( 1 - 3.12e8T + 4.58e16T^{2} \)
73 \( 1 + 2.89e8T + 5.88e16T^{2} \)
79 \( 1 - 4.68e8T + 1.19e17T^{2} \)
83 \( 1 + 7.75e7T + 1.86e17T^{2} \)
89 \( 1 - 3.37e8T + 3.50e17T^{2} \)
97 \( 1 + 7.36e8T + 7.60e17T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−19.40675896893413344248306842164, −18.50866241667015281535077673490, −16.45240372921716870509386384917, −15.08781012950683421113327219960, −13.22126393463707655086164512156, −11.05889941982065285218625329280, −8.815004289195965606401040694219, −7.85307835004733678158176389773, −3.79837678420596625160071144778, 0, 3.79837678420596625160071144778, 7.85307835004733678158176389773, 8.815004289195965606401040694219, 11.05889941982065285218625329280, 13.22126393463707655086164512156, 15.08781012950683421113327219960, 16.45240372921716870509386384917, 18.50866241667015281535077673490, 19.40675896893413344248306842164

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