Properties

Label 2-1575-1.1-c1-0-27
Degree $2$
Conductor $1575$
Sign $-1$
Analytic cond. $12.5764$
Root an. cond. $3.54632$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.73·2-s + 0.999·4-s − 7-s + 1.73·8-s + 3.46·11-s − 2·13-s + 1.73·14-s − 5·16-s − 3.46·17-s − 4·19-s − 5.99·22-s + 3.46·23-s + 3.46·26-s − 0.999·28-s − 4·31-s + 5.19·32-s + 5.99·34-s − 2·37-s + 6.92·38-s + 10.3·41-s + 4·43-s + 3.46·44-s − 5.99·46-s − 6.92·47-s + 49-s − 1.99·52-s + 6.92·53-s + ⋯
L(s)  = 1  − 1.22·2-s + 0.499·4-s − 0.377·7-s + 0.612·8-s + 1.04·11-s − 0.554·13-s + 0.462·14-s − 1.25·16-s − 0.840·17-s − 0.917·19-s − 1.27·22-s + 0.722·23-s + 0.679·26-s − 0.188·28-s − 0.718·31-s + 0.918·32-s + 1.02·34-s − 0.328·37-s + 1.12·38-s + 1.62·41-s + 0.609·43-s + 0.522·44-s − 0.884·46-s − 1.01·47-s + 0.142·49-s − 0.277·52-s + 0.951·53-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1575\)    =    \(3^{2} \cdot 5^{2} \cdot 7\)
Sign: $-1$
Analytic conductor: \(12.5764\)
Root analytic conductor: \(3.54632\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1575,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
5 \( 1 \)
7 \( 1 + T \)
good2 \( 1 + 1.73T + 2T^{2} \)
11 \( 1 - 3.46T + 11T^{2} \)
13 \( 1 + 2T + 13T^{2} \)
17 \( 1 + 3.46T + 17T^{2} \)
19 \( 1 + 4T + 19T^{2} \)
23 \( 1 - 3.46T + 23T^{2} \)
29 \( 1 + 29T^{2} \)
31 \( 1 + 4T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 - 10.3T + 41T^{2} \)
43 \( 1 - 4T + 43T^{2} \)
47 \( 1 + 6.92T + 47T^{2} \)
53 \( 1 - 6.92T + 53T^{2} \)
59 \( 1 + 6.92T + 59T^{2} \)
61 \( 1 + 10T + 61T^{2} \)
67 \( 1 - 4T + 67T^{2} \)
71 \( 1 + 10.3T + 71T^{2} \)
73 \( 1 + 14T + 73T^{2} \)
79 \( 1 - 8T + 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 + 3.46T + 89T^{2} \)
97 \( 1 + 14T + 97T^{2} \)
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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

−9.152802080925025956854116387692, −8.486047191146135179383478045838, −7.48318071343520741736810069807, −6.87853029702903180920342868933, −6.05420919147302561108896002088, −4.72453124273459494740236995495, −3.97601938448959508043292558696, −2.55220020995291457056915011569, −1.41141467297432757952072339356, 0, 1.41141467297432757952072339356, 2.55220020995291457056915011569, 3.97601938448959508043292558696, 4.72453124273459494740236995495, 6.05420919147302561108896002088, 6.87853029702903180920342868933, 7.48318071343520741736810069807, 8.486047191146135179383478045838, 9.152802080925025956854116387692

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