Properties

Label 2-2415-1.1-c1-0-3
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  − 1.88·2-s + 3-s + 1.54·4-s − 5-s − 1.88·6-s − 7-s + 0.859·8-s + 9-s + 1.88·10-s − 3.71·11-s + 1.54·12-s − 4.63·13-s + 1.88·14-s − 15-s − 4.70·16-s − 3.31·17-s − 1.88·18-s − 4.98·19-s − 1.54·20-s − 21-s + 6.98·22-s − 23-s + 0.859·24-s + 25-s + 8.73·26-s + 27-s − 1.54·28-s + ⋯
L(s)  = 1  − 1.33·2-s + 0.577·3-s + 0.771·4-s − 0.447·5-s − 0.768·6-s − 0.377·7-s + 0.303·8-s + 0.333·9-s + 0.595·10-s − 1.11·11-s + 0.445·12-s − 1.28·13-s + 0.503·14-s − 0.258·15-s − 1.17·16-s − 0.803·17-s − 0.443·18-s − 1.14·19-s − 0.345·20-s − 0.218·21-s + 1.48·22-s − 0.208·23-s + 0.175·24-s + 0.200·25-s + 1.71·26-s + 0.192·27-s − 0.291·28-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

\(L(1)\) \(\approx\) \(0.5126466205\)
\(L(\frac12)\) \(\approx\) \(0.5126466205\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.88T + 2T^{2} \)
11 \( 1 + 3.71T + 11T^{2} \)
13 \( 1 + 4.63T + 13T^{2} \)
17 \( 1 + 3.31T + 17T^{2} \)
19 \( 1 + 4.98T + 19T^{2} \)
29 \( 1 + 6.11T + 29T^{2} \)
31 \( 1 - 8.87T + 31T^{2} \)
37 \( 1 - 11.5T + 37T^{2} \)
41 \( 1 - 10.4T + 41T^{2} \)
43 \( 1 - 5.80T + 43T^{2} \)
47 \( 1 + 9.14T + 47T^{2} \)
53 \( 1 - 0.814T + 53T^{2} \)
59 \( 1 - 3.34T + 59T^{2} \)
61 \( 1 + 0.798T + 61T^{2} \)
67 \( 1 + 1.82T + 67T^{2} \)
71 \( 1 + 8.78T + 71T^{2} \)
73 \( 1 - 5.24T + 73T^{2} \)
79 \( 1 - 6.88T + 79T^{2} \)
83 \( 1 - 17.4T + 83T^{2} \)
89 \( 1 + 14.0T + 89T^{2} \)
97 \( 1 - 4.73T + 97T^{2} \)
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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

−9.019514544032441252048087200794, −8.067776199769541084136746477585, −7.81246425438464210741564894396, −7.05601206265075182414848806442, −6.14999278027824445531975548643, −4.77093968183955301163289419276, −4.19905530262967322768668665643, −2.70428058287666942029186968253, −2.19279775418504845499327762542, −0.51414969398253264886154700469, 0.51414969398253264886154700469, 2.19279775418504845499327762542, 2.70428058287666942029186968253, 4.19905530262967322768668665643, 4.77093968183955301163289419276, 6.14999278027824445531975548643, 7.05601206265075182414848806442, 7.81246425438464210741564894396, 8.067776199769541084136746477585, 9.019514544032441252048087200794

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