Properties

Label 2-2415-1.1-c1-0-87
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.73·2-s + 3-s + 0.999·4-s − 5-s + 1.73·6-s − 7-s − 1.73·8-s + 9-s − 1.73·10-s + 2.73·11-s + 0.999·12-s − 4.73·13-s − 1.73·14-s − 15-s − 5·16-s − 7.46·17-s + 1.73·18-s − 3.46·19-s − 0.999·20-s − 21-s + 4.73·22-s + 23-s − 1.73·24-s + 25-s − 8.19·26-s + 27-s − 0.999·28-s + ⋯
L(s)  = 1  + 1.22·2-s + 0.577·3-s + 0.499·4-s − 0.447·5-s + 0.707·6-s − 0.377·7-s − 0.612·8-s + 0.333·9-s − 0.547·10-s + 0.823·11-s + 0.288·12-s − 1.31·13-s − 0.462·14-s − 0.258·15-s − 1.25·16-s − 1.81·17-s + 0.408·18-s − 0.794·19-s − 0.223·20-s − 0.218·21-s + 1.00·22-s + 0.208·23-s − 0.353·24-s + 0.200·25-s − 1.60·26-s + 0.192·27-s − 0.188·28-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: \(1\)
Selberg data: \((2,\ 2415,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.73T + 2T^{2} \)
11 \( 1 - 2.73T + 11T^{2} \)
13 \( 1 + 4.73T + 13T^{2} \)
17 \( 1 + 7.46T + 17T^{2} \)
19 \( 1 + 3.46T + 19T^{2} \)
29 \( 1 + 29T^{2} \)
31 \( 1 + 1.26T + 31T^{2} \)
37 \( 1 + 1.26T + 37T^{2} \)
41 \( 1 + 3.46T + 41T^{2} \)
43 \( 1 - 6.92T + 43T^{2} \)
47 \( 1 + 8.39T + 47T^{2} \)
53 \( 1 - 0.732T + 53T^{2} \)
59 \( 1 - 2.19T + 59T^{2} \)
61 \( 1 - 4T + 61T^{2} \)
67 \( 1 + 14.9T + 67T^{2} \)
71 \( 1 + 6T + 71T^{2} \)
73 \( 1 - 3.66T + 73T^{2} \)
79 \( 1 - 10.1T + 79T^{2} \)
83 \( 1 + 2T + 83T^{2} \)
89 \( 1 - 6.53T + 89T^{2} \)
97 \( 1 - 2.92T + 97T^{2} \)
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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

−8.828646491065890938857464803399, −7.64316451319783038898097192388, −6.76510664725334241484654105232, −6.35667403943400842252262990263, −5.10800366197472759380565668438, −4.41922006392416609691257372630, −3.87249194634555114084418808383, −2.89506948493770158158820331283, −2.10049246126520267332129729304, 0, 2.10049246126520267332129729304, 2.89506948493770158158820331283, 3.87249194634555114084418808383, 4.41922006392416609691257372630, 5.10800366197472759380565668438, 6.35667403943400842252262990263, 6.76510664725334241484654105232, 7.64316451319783038898097192388, 8.828646491065890938857464803399

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