Properties

Label 2-5-1.1-c21-0-0
Degree $2$
Conductor $5$
Sign $1$
Analytic cond. $13.9738$
Root an. cond. $3.73816$
Motivic weight $21$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.31e3·2-s + 4.50e4·3-s + 3.26e6·4-s + 9.76e6·5-s − 1.04e8·6-s − 6.93e8·7-s − 2.70e9·8-s − 8.42e9·9-s − 2.26e10·10-s − 1.34e10·11-s + 1.47e11·12-s + 7.82e11·13-s + 1.60e12·14-s + 4.40e11·15-s − 5.82e11·16-s − 3.22e12·17-s + 1.95e13·18-s + 9.87e12·19-s + 3.18e13·20-s − 3.12e13·21-s + 3.12e13·22-s + 2.96e14·23-s − 1.21e14·24-s + 9.53e13·25-s − 1.81e15·26-s − 8.51e14·27-s − 2.26e15·28-s + ⋯
L(s)  = 1  − 1.59·2-s + 0.440·3-s + 1.55·4-s + 0.447·5-s − 0.704·6-s − 0.928·7-s − 0.890·8-s − 0.805·9-s − 0.715·10-s − 0.156·11-s + 0.686·12-s + 1.57·13-s + 1.48·14-s + 0.197·15-s − 0.132·16-s − 0.387·17-s + 1.28·18-s + 0.369·19-s + 0.696·20-s − 0.408·21-s + 0.250·22-s + 1.49·23-s − 0.392·24-s + 0.199·25-s − 2.51·26-s − 0.795·27-s − 1.44·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 5 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 5 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(5\)
Sign: $1$
Analytic conductor: \(13.9738\)
Root analytic conductor: \(3.73816\)
Motivic weight: \(21\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 5,\ (\ :21/2),\ 1)\)

Particular Values

\(L(11)\) \(\approx\) \(0.8955539972\)
\(L(\frac12)\) \(\approx\) \(0.8955539972\)
\(L(\frac{23}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - 9.76e6T \)
good2 \( 1 + 2.31e3T + 2.09e6T^{2} \)
3 \( 1 - 4.50e4T + 1.04e10T^{2} \)
7 \( 1 + 6.93e8T + 5.58e17T^{2} \)
11 \( 1 + 1.34e10T + 7.40e21T^{2} \)
13 \( 1 - 7.82e11T + 2.47e23T^{2} \)
17 \( 1 + 3.22e12T + 6.90e25T^{2} \)
19 \( 1 - 9.87e12T + 7.14e26T^{2} \)
23 \( 1 - 2.96e14T + 3.94e28T^{2} \)
29 \( 1 - 2.05e15T + 5.13e30T^{2} \)
31 \( 1 - 5.62e15T + 2.08e31T^{2} \)
37 \( 1 - 5.49e16T + 8.55e32T^{2} \)
41 \( 1 + 1.44e17T + 7.38e33T^{2} \)
43 \( 1 - 2.52e17T + 2.00e34T^{2} \)
47 \( 1 - 7.91e15T + 1.30e35T^{2} \)
53 \( 1 + 2.16e17T + 1.62e36T^{2} \)
59 \( 1 + 2.98e18T + 1.54e37T^{2} \)
61 \( 1 - 2.24e18T + 3.10e37T^{2} \)
67 \( 1 - 5.10e18T + 2.22e38T^{2} \)
71 \( 1 - 2.66e19T + 7.52e38T^{2} \)
73 \( 1 - 2.85e19T + 1.34e39T^{2} \)
79 \( 1 - 8.75e19T + 7.08e39T^{2} \)
83 \( 1 + 1.76e20T + 1.99e40T^{2} \)
89 \( 1 + 3.17e20T + 8.65e40T^{2} \)
97 \( 1 - 4.33e20T + 5.27e41T^{2} \)
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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

−18.44595560985214180575435253423, −17.08020132059963972356146290196, −15.75389036167753911631255249774, −13.50735931277945169483163522672, −11.01990662589309415313501850955, −9.471507612001995553743950202520, −8.388553339304546418356830675414, −6.42189344282629746367641287488, −2.82049632807706720445878209404, −0.894784747208873150369404162907, 0.894784747208873150369404162907, 2.82049632807706720445878209404, 6.42189344282629746367641287488, 8.388553339304546418356830675414, 9.471507612001995553743950202520, 11.01990662589309415313501850955, 13.50735931277945169483163522672, 15.75389036167753911631255249774, 17.08020132059963972356146290196, 18.44595560985214180575435253423

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