Properties

Label 2-19950-1.1-c1-0-48
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 $1$

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 − 12-s − 2·13-s − 14-s + 16-s + 2·17-s − 18-s + 19-s − 21-s − 4·23-s + 24-s + 2·26-s − 27-s + 28-s − 2·29-s − 32-s − 2·34-s + 36-s + 2·37-s − 38-s + 2·39-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 − 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 − 0.834·23-s + 0.204·24-s + 0.392·26-s − 0.192·27-s + 0.188·28-s − 0.371·29-s − 0.176·32-s − 0.342·34-s + 1/6·36-s + 0.328·37-s − 0.162·38-s + 0.320·39-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: \(1\)
Selberg data: \((2,\ 19950,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
3 \( 1 + T \)
5 \( 1 \)
7 \( 1 - T \)
19 \( 1 - T \)
good11 \( 1 + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−16.14709561791500, −15.45679008127047, −14.94811480126010, −14.45016262781887, −13.75431159210079, −13.16388510185633, −12.42755281409553, −11.95253272754291, −11.54837243233859, −10.97045605834139, −10.19385865767907, −10.02336151353439, −9.298177502773601, −8.623512375094879, −7.994504234235591, −7.511244701993201, −6.873214722886031, −6.290830239303340, −5.492259388063058, −5.118877991615428, −4.200132356436926, −3.513472915360071, −2.535674006301408, −1.823645380840249, −0.9718945048863088, 0, 0.9718945048863088, 1.823645380840249, 2.535674006301408, 3.513472915360071, 4.200132356436926, 5.118877991615428, 5.492259388063058, 6.290830239303340, 6.873214722886031, 7.511244701993201, 7.994504234235591, 8.623512375094879, 9.298177502773601, 10.02336151353439, 10.19385865767907, 10.97045605834139, 11.54837243233859, 11.95253272754291, 12.42755281409553, 13.16388510185633, 13.75431159210079, 14.45016262781887, 14.94811480126010, 15.45679008127047, 16.14709561791500

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