Properties

Label 2-2415-1.1-c1-0-2
Degree $2$
Conductor $2415$
Sign $1$
Analytic cond. $19.2838$
Root an. cond. $4.39134$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.456·2-s − 3-s − 1.79·4-s − 5-s − 0.456·6-s + 7-s − 1.72·8-s + 9-s − 0.456·10-s − 4.03·11-s + 1.79·12-s − 3.30·13-s + 0.456·14-s + 15-s + 2.79·16-s + 1.85·17-s + 0.456·18-s − 4.75·19-s + 1.79·20-s − 21-s − 1.84·22-s − 23-s + 1.72·24-s + 25-s − 1.50·26-s − 27-s − 1.79·28-s + ⋯
L(s)  = 1  + 0.322·2-s − 0.577·3-s − 0.895·4-s − 0.447·5-s − 0.186·6-s + 0.377·7-s − 0.611·8-s + 0.333·9-s − 0.144·10-s − 1.21·11-s + 0.517·12-s − 0.915·13-s + 0.121·14-s + 0.258·15-s + 0.698·16-s + 0.449·17-s + 0.107·18-s − 1.09·19-s + 0.400·20-s − 0.218·21-s − 0.392·22-s − 0.208·23-s + 0.353·24-s + 0.200·25-s − 0.295·26-s − 0.192·27-s − 0.338·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2415 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2415 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2415\)    =    \(3 \cdot 5 \cdot 7 \cdot 23\)
Sign: $1$
Analytic conductor: \(19.2838\)
Root analytic conductor: \(4.39134\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2415,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6965467927\)
\(L(\frac12)\) \(\approx\) \(0.6965467927\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
5 \( 1 + T \)
7 \( 1 - T \)
23 \( 1 + T \)
good2 \( 1 - 0.456T + 2T^{2} \)
11 \( 1 + 4.03T + 11T^{2} \)
13 \( 1 + 3.30T + 13T^{2} \)
17 \( 1 - 1.85T + 17T^{2} \)
19 \( 1 + 4.75T + 19T^{2} \)
29 \( 1 + 3.74T + 29T^{2} \)
31 \( 1 - 5.70T + 31T^{2} \)
37 \( 1 + 4.66T + 37T^{2} \)
41 \( 1 - 4.58T + 41T^{2} \)
43 \( 1 + 10.9T + 43T^{2} \)
47 \( 1 - 0.630T + 47T^{2} \)
53 \( 1 - 12.2T + 53T^{2} \)
59 \( 1 + 6.42T + 59T^{2} \)
61 \( 1 + 1.18T + 61T^{2} \)
67 \( 1 - 10.8T + 67T^{2} \)
71 \( 1 - 8.99T + 71T^{2} \)
73 \( 1 + 10.9T + 73T^{2} \)
79 \( 1 - 13.6T + 79T^{2} \)
83 \( 1 - 9.93T + 83T^{2} \)
89 \( 1 - 1.03T + 89T^{2} \)
97 \( 1 - 15.8T + 97T^{2} \)
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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

−8.856576138692414875421505733441, −8.119951567094704436503903082779, −7.56565770606657627984756190905, −6.53946471747950754178944084345, −5.53734282829967030334861942834, −4.99380041006094313908144217276, −4.36440290800721127327589993157, −3.39498666756076663476993396330, −2.21397479752081841353261513419, −0.50620076718392544027185222817, 0.50620076718392544027185222817, 2.21397479752081841353261513419, 3.39498666756076663476993396330, 4.36440290800721127327589993157, 4.99380041006094313908144217276, 5.53734282829967030334861942834, 6.53946471747950754178944084345, 7.56565770606657627984756190905, 8.119951567094704436503903082779, 8.856576138692414875421505733441

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