Properties

Label 2-47-1.1-c19-0-10
Degree $2$
Conductor $47$
Sign $1$
Analytic cond. $107.543$
Root an. cond. $10.3703$
Motivic weight $19$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 793.·2-s − 2.92e4·3-s + 1.04e5·4-s − 2.22e6·5-s − 2.31e7·6-s + 2.09e7·7-s − 3.32e8·8-s − 3.08e8·9-s − 1.76e9·10-s + 9.01e9·11-s − 3.06e9·12-s − 3.52e10·13-s + 1.66e10·14-s + 6.51e10·15-s − 3.18e11·16-s − 1.17e11·17-s − 2.44e11·18-s − 1.57e12·19-s − 2.33e11·20-s − 6.11e11·21-s + 7.14e12·22-s − 1.59e13·23-s + 9.71e12·24-s − 1.41e13·25-s − 2.79e13·26-s + 4.29e13·27-s + 2.19e12·28-s + ⋯
L(s)  = 1  + 1.09·2-s − 0.856·3-s + 0.200·4-s − 0.510·5-s − 0.938·6-s + 0.196·7-s − 0.876·8-s − 0.265·9-s − 0.559·10-s + 1.15·11-s − 0.171·12-s − 0.922·13-s + 0.214·14-s + 0.437·15-s − 1.16·16-s − 0.241·17-s − 0.291·18-s − 1.12·19-s − 0.102·20-s − 0.168·21-s + 1.26·22-s − 1.84·23-s + 0.750·24-s − 0.739·25-s − 1.01·26-s + 1.08·27-s + 0.0392·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 47 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(20-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 47 ^{s/2} \, \Gamma_{\C}(s+19/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(47\)
Sign: $1$
Analytic conductor: \(107.543\)
Root analytic conductor: \(10.3703\)
Motivic weight: \(19\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 47,\ (\ :19/2),\ 1)\)

Particular Values

\(L(10)\) \(\approx\) \(1.031172745\)
\(L(\frac12)\) \(\approx\) \(1.031172745\)
\(L(\frac{21}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad47 \( 1 + 1.11e15T \)
good2 \( 1 - 793.T + 5.24e5T^{2} \)
3 \( 1 + 2.92e4T + 1.16e9T^{2} \)
5 \( 1 + 2.22e6T + 1.90e13T^{2} \)
7 \( 1 - 2.09e7T + 1.13e16T^{2} \)
11 \( 1 - 9.01e9T + 6.11e19T^{2} \)
13 \( 1 + 3.52e10T + 1.46e21T^{2} \)
17 \( 1 + 1.17e11T + 2.39e23T^{2} \)
19 \( 1 + 1.57e12T + 1.97e24T^{2} \)
23 \( 1 + 1.59e13T + 7.46e25T^{2} \)
29 \( 1 - 1.26e13T + 6.10e27T^{2} \)
31 \( 1 + 7.38e13T + 2.16e28T^{2} \)
37 \( 1 - 1.22e15T + 6.24e29T^{2} \)
41 \( 1 + 1.01e15T + 4.39e30T^{2} \)
43 \( 1 - 3.85e15T + 1.08e31T^{2} \)
53 \( 1 + 2.02e16T + 5.77e32T^{2} \)
59 \( 1 - 8.38e16T + 4.42e33T^{2} \)
61 \( 1 - 6.84e16T + 8.34e33T^{2} \)
67 \( 1 - 2.92e17T + 4.95e34T^{2} \)
71 \( 1 - 3.78e17T + 1.49e35T^{2} \)
73 \( 1 - 1.06e17T + 2.53e35T^{2} \)
79 \( 1 + 1.62e18T + 1.13e36T^{2} \)
83 \( 1 - 3.51e17T + 2.90e36T^{2} \)
89 \( 1 - 6.24e18T + 1.09e37T^{2} \)
97 \( 1 + 1.24e19T + 5.60e37T^{2} \)
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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

−11.92324866075217677870419925540, −11.27190287175692675456784503714, −9.637740992208963316771019866631, −8.237144164793094673218942278588, −6.58335266917438177143398957994, −5.76679016993389105820005715711, −4.55593410347139858017877566204, −3.83102274637822412116847378341, −2.25333292498287796985170525057, −0.40827588846981197999520482813, 0.40827588846981197999520482813, 2.25333292498287796985170525057, 3.83102274637822412116847378341, 4.55593410347139858017877566204, 5.76679016993389105820005715711, 6.58335266917438177143398957994, 8.237144164793094673218942278588, 9.637740992208963316771019866631, 11.27190287175692675456784503714, 11.92324866075217677870419925540

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