Properties

Label 2-2415-1.1-c1-0-47
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  − 2.75·2-s + 3-s + 5.57·4-s + 5-s − 2.75·6-s + 7-s − 9.82·8-s + 9-s − 2.75·10-s + 1.56·11-s + 5.57·12-s + 5.61·13-s − 2.75·14-s + 15-s + 15.8·16-s + 4.51·17-s − 2.75·18-s + 0.767·19-s + 5.57·20-s + 21-s − 4.29·22-s − 23-s − 9.82·24-s + 25-s − 15.4·26-s + 27-s + 5.57·28-s + ⋯
L(s)  = 1  − 1.94·2-s + 0.577·3-s + 2.78·4-s + 0.447·5-s − 1.12·6-s + 0.377·7-s − 3.47·8-s + 0.333·9-s − 0.870·10-s + 0.470·11-s + 1.60·12-s + 1.55·13-s − 0.735·14-s + 0.258·15-s + 3.97·16-s + 1.09·17-s − 0.648·18-s + 0.175·19-s + 1.24·20-s + 0.218·21-s − 0.915·22-s − 0.208·23-s − 2.00·24-s + 0.200·25-s − 3.02·26-s + 0.192·27-s + 1.05·28-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

\(L(1)\) \(\approx\) \(1.311381482\)
\(L(\frac12)\) \(\approx\) \(1.311381482\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.75T + 2T^{2} \)
11 \( 1 - 1.56T + 11T^{2} \)
13 \( 1 - 5.61T + 13T^{2} \)
17 \( 1 - 4.51T + 17T^{2} \)
19 \( 1 - 0.767T + 19T^{2} \)
29 \( 1 - 5.24T + 29T^{2} \)
31 \( 1 - 8.85T + 31T^{2} \)
37 \( 1 + 2.00T + 37T^{2} \)
41 \( 1 + 10.6T + 41T^{2} \)
43 \( 1 + 5.76T + 43T^{2} \)
47 \( 1 + 11.3T + 47T^{2} \)
53 \( 1 - 5.37T + 53T^{2} \)
59 \( 1 - 4.78T + 59T^{2} \)
61 \( 1 - 8.68T + 61T^{2} \)
67 \( 1 + 11.6T + 67T^{2} \)
71 \( 1 - 2.72T + 71T^{2} \)
73 \( 1 - 2.36T + 73T^{2} \)
79 \( 1 - 12.3T + 79T^{2} \)
83 \( 1 + 8.28T + 83T^{2} \)
89 \( 1 - 16.5T + 89T^{2} \)
97 \( 1 + 5.73T + 97T^{2} \)
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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

−8.801657496663624835185865885616, −8.312053206925681541612769311688, −7.919093264832216236845356568306, −6.71029809743948422635973773011, −6.43123364632496094986445523953, −5.30488005645237076712252816828, −3.64834265756915431261797015507, −2.83054287412734138540921236837, −1.65029054269606322742661575835, −1.07312001994369485887054501184, 1.07312001994369485887054501184, 1.65029054269606322742661575835, 2.83054287412734138540921236837, 3.64834265756915431261797015507, 5.30488005645237076712252816828, 6.43123364632496094986445523953, 6.71029809743948422635973773011, 7.919093264832216236845356568306, 8.312053206925681541612769311688, 8.801657496663624835185865885616

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