Properties

Label 2-19950-1.1-c1-0-47
Degree $2$
Conductor $19950$
Sign $1$
Analytic cond. $159.301$
Root an. cond. $12.6214$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 3-s + 4-s − 6-s + 7-s + 8-s + 9-s + 4·11-s − 12-s + 2·13-s + 14-s + 16-s + 2·17-s + 18-s + 19-s − 21-s + 4·22-s + 8·23-s − 24-s + 2·26-s − 27-s + 28-s + 6·29-s + 32-s − 4·33-s + 2·34-s + 36-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s + 1/2·4-s − 0.408·6-s + 0.377·7-s + 0.353·8-s + 1/3·9-s + 1.20·11-s − 0.288·12-s + 0.554·13-s + 0.267·14-s + 1/4·16-s + 0.485·17-s + 0.235·18-s + 0.229·19-s − 0.218·21-s + 0.852·22-s + 1.66·23-s − 0.204·24-s + 0.392·26-s − 0.192·27-s + 0.188·28-s + 1.11·29-s + 0.176·32-s − 0.696·33-s + 0.342·34-s + 1/6·36-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 19950 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 19950 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(19950\)    =    \(2 \cdot 3 \cdot 5^{2} \cdot 7 \cdot 19\)
Sign: $1$
Analytic conductor: \(159.301\)
Root analytic conductor: \(12.6214\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 19950,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.482786598\)
\(L(\frac12)\) \(\approx\) \(4.482786598\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 - T \)
3 \( 1 + T \)
5 \( 1 \)
7 \( 1 - T \)
19 \( 1 - T \)
good11 \( 1 - 4 T + p T^{2} \) 1.11.ae
13 \( 1 - 2 T + p T^{2} \) 1.13.ac
17 \( 1 - 2 T + p T^{2} \) 1.17.ac
23 \( 1 - 8 T + p T^{2} \) 1.23.ai
29 \( 1 - 6 T + p T^{2} \) 1.29.ag
31 \( 1 + p T^{2} \) 1.31.a
37 \( 1 - 10 T + p T^{2} \) 1.37.ak
41 \( 1 + 2 T + p T^{2} \) 1.41.c
43 \( 1 - 8 T + p T^{2} \) 1.43.ai
47 \( 1 + p T^{2} \) 1.47.a
53 \( 1 + 2 T + p T^{2} \) 1.53.c
59 \( 1 + p T^{2} \) 1.59.a
61 \( 1 + 2 T + p T^{2} \) 1.61.c
67 \( 1 + 4 T + p T^{2} \) 1.67.e
71 \( 1 + p T^{2} \) 1.71.a
73 \( 1 - 6 T + p T^{2} \) 1.73.ag
79 \( 1 + p T^{2} \) 1.79.a
83 \( 1 + 12 T + p T^{2} \) 1.83.m
89 \( 1 + 10 T + p T^{2} \) 1.89.k
97 \( 1 - 2 T + p T^{2} \) 1.97.ac
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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

−15.51867728260580, −15.14500207548764, −14.46560453181681, −14.11536588935266, −13.51302076027206, −12.80824616968759, −12.45981246915299, −11.75183374043180, −11.34449503974275, −10.96177987581784, −10.25574544295321, −9.565563409215779, −8.965053901628547, −8.326097769849767, −7.497173734189755, −7.024109124342449, −6.283097808656807, −5.962928314735584, −5.127093245635378, −4.593165353118220, −3.999448388615093, −3.254999487295893, −2.510689166179134, −1.324309929416895, −0.9650481553391330, 0.9650481553391330, 1.324309929416895, 2.510689166179134, 3.254999487295893, 3.999448388615093, 4.593165353118220, 5.127093245635378, 5.962928314735584, 6.283097808656807, 7.024109124342449, 7.497173734189755, 8.326097769849767, 8.965053901628547, 9.565563409215779, 10.25574544295321, 10.96177987581784, 11.34449503974275, 11.75183374043180, 12.45981246915299, 12.80824616968759, 13.51302076027206, 14.11536588935266, 14.46560453181681, 15.14500207548764, 15.51867728260580

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