Properties

Label 2-1575-1.1-c1-0-32
Degree $2$
Conductor $1575$
Sign $-1$
Analytic cond. $12.5764$
Root an. cond. $3.54632$
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 − 4-s + 7-s + 3·8-s − 4·13-s − 14-s − 16-s − 2·17-s + 4·26-s − 28-s + 8·29-s − 4·31-s − 5·32-s + 2·34-s − 8·37-s + 4·41-s − 8·43-s + 12·47-s + 49-s + 4·52-s − 6·53-s + 3·56-s − 8·58-s + 8·59-s + 10·61-s + 4·62-s + 7·64-s + ⋯
L(s)  = 1  − 0.707·2-s − 1/2·4-s + 0.377·7-s + 1.06·8-s − 1.10·13-s − 0.267·14-s − 1/4·16-s − 0.485·17-s + 0.784·26-s − 0.188·28-s + 1.48·29-s − 0.718·31-s − 0.883·32-s + 0.342·34-s − 1.31·37-s + 0.624·41-s − 1.21·43-s + 1.75·47-s + 1/7·49-s + 0.554·52-s − 0.824·53-s + 0.400·56-s − 1.05·58-s + 1.04·59-s + 1.28·61-s + 0.508·62-s + 7/8·64-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: yes
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 \( 1 + T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 8 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 - 4 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 - 12 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 8 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + 16 T + p T^{2} \)
73 \( 1 + 12 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 + 16 T + p T^{2} \)
89 \( 1 + 12 T + p T^{2} \)
97 \( 1 + 4 T + p T^{2} \)
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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

−8.836977164289154374877069968146, −8.515435984898579188140145667992, −7.46935627665195467124923832071, −6.96731122673944982386764065211, −5.62709236482279603070071058958, −4.80666074841933533046073813928, −4.10234838538757672649423052413, −2.70046968569181803421525831736, −1.47198786062397073562548092470, 0, 1.47198786062397073562548092470, 2.70046968569181803421525831736, 4.10234838538757672649423052413, 4.80666074841933533046073813928, 5.62709236482279603070071058958, 6.96731122673944982386764065211, 7.46935627665195467124923832071, 8.515435984898579188140145667992, 8.836977164289154374877069968146

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