Properties

Label 2-1575-1.1-c1-0-25
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  − 2.70·2-s + 5.34·4-s − 7-s − 9.04·8-s − 2·11-s − 0.921·13-s + 2.70·14-s + 13.8·16-s + 1.07·17-s + 3.07·19-s + 5.41·22-s + 2.34·23-s + 2.49·26-s − 5.34·28-s + 6.68·29-s − 7.75·31-s − 19.3·32-s − 2.92·34-s − 10.8·37-s − 8.34·38-s − 6.49·41-s + 6.52·43-s − 10.6·44-s − 6.34·46-s + 4.68·47-s + 49-s − 4.92·52-s + ⋯
L(s)  = 1  − 1.91·2-s + 2.67·4-s − 0.377·7-s − 3.19·8-s − 0.603·11-s − 0.255·13-s + 0.724·14-s + 3.45·16-s + 0.261·17-s + 0.706·19-s + 1.15·22-s + 0.487·23-s + 0.489·26-s − 1.00·28-s + 1.24·29-s − 1.39·31-s − 3.42·32-s − 0.501·34-s − 1.78·37-s − 1.35·38-s − 1.01·41-s + 0.994·43-s − 1.61·44-s − 0.934·46-s + 0.682·47-s + 0.142·49-s − 0.682·52-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 \( 1 + 2.70T + 2T^{2} \)
11 \( 1 + 2T + 11T^{2} \)
13 \( 1 + 0.921T + 13T^{2} \)
17 \( 1 - 1.07T + 17T^{2} \)
19 \( 1 - 3.07T + 19T^{2} \)
23 \( 1 - 2.34T + 23T^{2} \)
29 \( 1 - 6.68T + 29T^{2} \)
31 \( 1 + 7.75T + 31T^{2} \)
37 \( 1 + 10.8T + 37T^{2} \)
41 \( 1 + 6.49T + 41T^{2} \)
43 \( 1 - 6.52T + 43T^{2} \)
47 \( 1 - 4.68T + 47T^{2} \)
53 \( 1 - 3.75T + 53T^{2} \)
59 \( 1 + 10.5T + 59T^{2} \)
61 \( 1 + 4.15T + 61T^{2} \)
67 \( 1 + 4.68T + 67T^{2} \)
71 \( 1 + 2T + 71T^{2} \)
73 \( 1 + 7.07T + 73T^{2} \)
79 \( 1 - 6.15T + 79T^{2} \)
83 \( 1 - 6.83T + 83T^{2} \)
89 \( 1 + 8.34T + 89T^{2} \)
97 \( 1 - 8.43T + 97T^{2} \)
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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

−9.060402882469669445875026958639, −8.398546182328172739606161546317, −7.48786602922599634378891379183, −7.07656268021628474834253697383, −6.10383707619347159114242687780, −5.16858118655863501371084533388, −3.39717555963563905910866684570, −2.53767376112112305243757803875, −1.35154591598223227149392488334, 0, 1.35154591598223227149392488334, 2.53767376112112305243757803875, 3.39717555963563905910866684570, 5.16858118655863501371084533388, 6.10383707619347159114242687780, 7.07656268021628474834253697383, 7.48786602922599634378891379183, 8.398546182328172739606161546317, 9.060402882469669445875026958639

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