Properties

Label 2-1575-1.1-c1-0-7
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·4-s − 7-s + 3·11-s − 5·13-s + 4·16-s + 3·17-s + 2·19-s − 6·23-s + 2·28-s − 3·29-s − 4·31-s − 2·37-s + 12·41-s + 10·43-s − 6·44-s + 9·47-s + 49-s + 10·52-s + 12·53-s + 8·61-s − 8·64-s + 4·67-s − 6·68-s − 2·73-s − 4·76-s − 3·77-s − 79-s + ⋯
L(s)  = 1  − 4-s − 0.377·7-s + 0.904·11-s − 1.38·13-s + 16-s + 0.727·17-s + 0.458·19-s − 1.25·23-s + 0.377·28-s − 0.557·29-s − 0.718·31-s − 0.328·37-s + 1.87·41-s + 1.52·43-s − 0.904·44-s + 1.31·47-s + 1/7·49-s + 1.38·52-s + 1.64·53-s + 1.02·61-s − 64-s + 0.488·67-s − 0.727·68-s − 0.234·73-s − 0.458·76-s − 0.341·77-s − 0.112·79-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: \(0\)
Selberg data: \((2,\ 1575,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.138679967\)
\(L(\frac12)\) \(\approx\) \(1.138679967\)
\(L(\frac{3}{2})\) 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 \( 1 + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 + 5 T + p T^{2} \)
17 \( 1 - 3 T + p T^{2} \)
19 \( 1 - 2 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 + 3 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 - 12 T + p T^{2} \)
43 \( 1 - 10 T + p T^{2} \)
47 \( 1 - 9 T + p T^{2} \)
53 \( 1 - 12 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 + T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 12 T + p T^{2} \)
97 \( 1 - T + p T^{2} \)
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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

−9.467462389572036350103527465528, −8.846894389721446221328072634367, −7.73929750781885351517852687666, −7.24281290023688107365847358204, −5.95865885309513387304829184659, −5.36755822629614084385217196812, −4.25386150379293419498976865827, −3.67606993779998961598679741611, −2.35094220433354059590404276967, −0.75515587387361470267464831173, 0.75515587387361470267464831173, 2.35094220433354059590404276967, 3.67606993779998961598679741611, 4.25386150379293419498976865827, 5.36755822629614084385217196812, 5.95865885309513387304829184659, 7.24281290023688107365847358204, 7.73929750781885351517852687666, 8.846894389721446221328072634367, 9.467462389572036350103527465528

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