Properties

Label 2-325-1.1-c1-0-8
Degree $2$
Conductor $325$
Sign $1$
Analytic cond. $2.59513$
Root an. cond. $1.61094$
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-s + 2·3-s − 4-s + 2·6-s + 4·7-s − 3·8-s + 9-s + 2·11-s − 2·12-s + 13-s + 4·14-s − 16-s − 2·17-s + 18-s − 6·19-s + 8·21-s + 2·22-s + 6·23-s − 6·24-s + 26-s − 4·27-s − 4·28-s + 2·29-s − 10·31-s + 5·32-s + 4·33-s − 2·34-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.15·3-s − 1/2·4-s + 0.816·6-s + 1.51·7-s − 1.06·8-s + 1/3·9-s + 0.603·11-s − 0.577·12-s + 0.277·13-s + 1.06·14-s − 1/4·16-s − 0.485·17-s + 0.235·18-s − 1.37·19-s + 1.74·21-s + 0.426·22-s + 1.25·23-s − 1.22·24-s + 0.196·26-s − 0.769·27-s − 0.755·28-s + 0.371·29-s − 1.79·31-s + 0.883·32-s + 0.696·33-s − 0.342·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 325 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 325 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(325\)    =    \(5^{2} \cdot 13\)
Sign: $1$
Analytic conductor: \(2.59513\)
Root analytic conductor: \(1.61094\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 325,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.407285254\)
\(L(\frac12)\) \(\approx\) \(2.407285254\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
13 \( 1 - T \)
good2 \( 1 - T + p T^{2} \)
3 \( 1 - 2 T + p T^{2} \)
7 \( 1 - 4 T + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 + 12 T + p T^{2} \)
83 \( 1 - 16 T + p T^{2} \)
89 \( 1 - 2 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−11.65896684812187657882654865859, −10.88333347945116111183993338492, −9.406400646348943696684170504127, −8.620250295882527182273636480991, −8.208457502375816686030815529949, −6.77389438746521045568684633305, −5.32690719210735599071172022564, −4.40334075487539019542891709971, −3.42973993124646170162064326406, −1.95428342136872914409252140690, 1.95428342136872914409252140690, 3.42973993124646170162064326406, 4.40334075487539019542891709971, 5.32690719210735599071172022564, 6.77389438746521045568684633305, 8.208457502375816686030815529949, 8.620250295882527182273636480991, 9.406400646348943696684170504127, 10.88333347945116111183993338492, 11.65896684812187657882654865859

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