Properties

Label 2-1950-1.1-c1-0-22
Degree $2$
Conductor $1950$
Sign $-1$
Analytic cond. $15.5708$
Root an. cond. $3.94598$
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 − 2·7-s − 8-s + 9-s − 12-s − 13-s + 2·14-s + 16-s − 18-s + 2·19-s + 2·21-s + 6·23-s + 24-s + 26-s − 27-s − 2·28-s − 4·31-s − 32-s + 36-s − 2·37-s − 2·38-s + 39-s − 6·41-s − 2·42-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 1/2·4-s + 0.408·6-s − 0.755·7-s − 0.353·8-s + 1/3·9-s − 0.288·12-s − 0.277·13-s + 0.534·14-s + 1/4·16-s − 0.235·18-s + 0.458·19-s + 0.436·21-s + 1.25·23-s + 0.204·24-s + 0.196·26-s − 0.192·27-s − 0.377·28-s − 0.718·31-s − 0.176·32-s + 1/6·36-s − 0.328·37-s − 0.324·38-s + 0.160·39-s − 0.937·41-s − 0.308·42-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1950\)    =    \(2 \cdot 3 \cdot 5^{2} \cdot 13\)
Sign: $-1$
Analytic conductor: \(15.5708\)
Root analytic conductor: \(3.94598\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1950,\ (\ :1/2),\ -1)\)

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 \( 1 \)
13 \( 1 + T \)
good7 \( 1 + 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 - 2 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
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 \( 1 - 6 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 8 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 + 8 T + p T^{2} \)
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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

−9.066548527908332097244295612710, −7.968040001074380032670033727290, −7.15540800789221984223361647228, −6.60471049280069061431251787264, −5.70181767463129054467696921196, −4.89572859013159225740679264808, −3.64364155151581278643484261706, −2.70405079744929839629620488505, −1.33575403259794176974195974794, 0, 1.33575403259794176974195974794, 2.70405079744929839629620488505, 3.64364155151581278643484261706, 4.89572859013159225740679264808, 5.70181767463129054467696921196, 6.60471049280069061431251787264, 7.15540800789221984223361647228, 7.968040001074380032670033727290, 9.066548527908332097244295612710

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