Properties

Label 2-7-1.1-c9-0-1
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 $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 13.3·2-s + 163.·3-s − 333.·4-s + 1.92e3·5-s + 2.18e3·6-s + 2.40e3·7-s − 1.12e4·8-s + 7.02e3·9-s + 2.56e4·10-s − 9.01e4·11-s − 5.44e4·12-s − 3.19e3·13-s + 3.20e4·14-s + 3.14e5·15-s + 1.98e4·16-s + 1.16e5·17-s + 9.38e4·18-s − 1.42e5·19-s − 6.41e5·20-s + 3.92e5·21-s − 1.20e6·22-s + 1.27e6·23-s − 1.84e6·24-s + 1.74e6·25-s − 4.27e4·26-s − 2.06e6·27-s − 8.00e5·28-s + ⋯
L(s)  = 1  + 0.590·2-s + 1.16·3-s − 0.651·4-s + 1.37·5-s + 0.687·6-s + 0.377·7-s − 0.975·8-s + 0.356·9-s + 0.812·10-s − 1.85·11-s − 0.758·12-s − 0.0310·13-s + 0.223·14-s + 1.60·15-s + 0.0756·16-s + 0.338·17-s + 0.210·18-s − 0.250·19-s − 0.895·20-s + 0.440·21-s − 1.09·22-s + 0.949·23-s − 1.13·24-s + 0.891·25-s − 0.0183·26-s − 0.749·27-s − 0.246·28-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: \(0\)
Selberg data: \((2,\ 7,\ (\ :9/2),\ 1)\)

Particular Values

\(L(5)\) \(\approx\) \(2.422570531\)
\(L(\frac12)\) \(\approx\) \(2.422570531\)
\(L(\frac{11}{2})\) 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 \( 1 - 13.3T + 512T^{2} \)
3 \( 1 - 163.T + 1.96e4T^{2} \)
5 \( 1 - 1.92e3T + 1.95e6T^{2} \)
11 \( 1 + 9.01e4T + 2.35e9T^{2} \)
13 \( 1 + 3.19e3T + 1.06e10T^{2} \)
17 \( 1 - 1.16e5T + 1.18e11T^{2} \)
19 \( 1 + 1.42e5T + 3.22e11T^{2} \)
23 \( 1 - 1.27e6T + 1.80e12T^{2} \)
29 \( 1 + 1.42e6T + 1.45e13T^{2} \)
31 \( 1 - 9.67e6T + 2.64e13T^{2} \)
37 \( 1 + 8.67e6T + 1.29e14T^{2} \)
41 \( 1 - 1.32e7T + 3.27e14T^{2} \)
43 \( 1 + 2.97e7T + 5.02e14T^{2} \)
47 \( 1 + 1.07e7T + 1.11e15T^{2} \)
53 \( 1 - 7.07e7T + 3.29e15T^{2} \)
59 \( 1 - 6.40e6T + 8.66e15T^{2} \)
61 \( 1 - 1.69e8T + 1.16e16T^{2} \)
67 \( 1 + 1.16e8T + 2.72e16T^{2} \)
71 \( 1 - 1.44e8T + 4.58e16T^{2} \)
73 \( 1 - 1.60e8T + 5.88e16T^{2} \)
79 \( 1 + 4.89e8T + 1.19e17T^{2} \)
83 \( 1 + 8.31e7T + 1.86e17T^{2} \)
89 \( 1 - 2.08e6T + 3.50e17T^{2} \)
97 \( 1 + 3.15e8T + 7.60e17T^{2} \)
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

−20.90676915593351373585352758217, −18.75840307750738874569912665810, −17.55766236376809216049083689603, −15.06079762327990915889930007270, −13.82330808682233201677173380978, −13.11997253337513675165158030851, −9.956179202832500850256664400361, −8.424105492050637531185092440215, −5.31592821540955963675027295774, −2.67225695276816042412644794101, 2.67225695276816042412644794101, 5.31592821540955963675027295774, 8.424105492050637531185092440215, 9.956179202832500850256664400361, 13.11997253337513675165158030851, 13.82330808682233201677173380978, 15.06079762327990915889930007270, 17.55766236376809216049083689603, 18.75840307750738874569912665810, 20.90676915593351373585352758217

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