Properties

Label 2-2415-1.1-c1-0-16
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  − 2.81·2-s + 3-s + 5.92·4-s + 5-s − 2.81·6-s − 7-s − 11.0·8-s + 9-s − 2.81·10-s + 1.05·11-s + 5.92·12-s − 4.56·13-s + 2.81·14-s + 15-s + 19.2·16-s − 7.71·17-s − 2.81·18-s + 4.87·19-s + 5.92·20-s − 21-s − 2.95·22-s + 23-s − 11.0·24-s + 25-s + 12.8·26-s + 27-s − 5.92·28-s + ⋯
L(s)  = 1  − 1.99·2-s + 0.577·3-s + 2.96·4-s + 0.447·5-s − 1.14·6-s − 0.377·7-s − 3.91·8-s + 0.333·9-s − 0.890·10-s + 0.316·11-s + 1.71·12-s − 1.26·13-s + 0.752·14-s + 0.258·15-s + 4.82·16-s − 1.87·17-s − 0.663·18-s + 1.11·19-s + 1.32·20-s − 0.218·21-s − 0.630·22-s + 0.208·23-s − 2.25·24-s + 0.200·25-s + 2.52·26-s + 0.192·27-s − 1.12·28-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

\(L(1)\) \(\approx\) \(0.8062268038\)
\(L(\frac12)\) \(\approx\) \(0.8062268038\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.81T + 2T^{2} \)
11 \( 1 - 1.05T + 11T^{2} \)
13 \( 1 + 4.56T + 13T^{2} \)
17 \( 1 + 7.71T + 17T^{2} \)
19 \( 1 - 4.87T + 19T^{2} \)
29 \( 1 + 4.24T + 29T^{2} \)
31 \( 1 + 1.49T + 31T^{2} \)
37 \( 1 + 3.18T + 37T^{2} \)
41 \( 1 + 2.38T + 41T^{2} \)
43 \( 1 - 11.9T + 43T^{2} \)
47 \( 1 - 9.35T + 47T^{2} \)
53 \( 1 - 11.5T + 53T^{2} \)
59 \( 1 - 6.28T + 59T^{2} \)
61 \( 1 - 4.04T + 61T^{2} \)
67 \( 1 - 15.4T + 67T^{2} \)
71 \( 1 + 11.3T + 71T^{2} \)
73 \( 1 - 9.36T + 73T^{2} \)
79 \( 1 - 7.16T + 79T^{2} \)
83 \( 1 - 15.5T + 83T^{2} \)
89 \( 1 + 2.23T + 89T^{2} \)
97 \( 1 - 2.02T + 97T^{2} \)
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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

−9.180583366385093428145826149984, −8.455793295871984035889715934557, −7.35220532443313122030508106305, −7.17600551189034182686163126800, −6.31047781996980640499350815014, −5.30976085692280031101063467421, −3.70741795157735158237013108073, −2.48680709709111121075840192098, −2.14511880946285046050611689834, −0.72270746181007452193646789728, 0.72270746181007452193646789728, 2.14511880946285046050611689834, 2.48680709709111121075840192098, 3.70741795157735158237013108073, 5.30976085692280031101063467421, 6.31047781996980640499350815014, 7.17600551189034182686163126800, 7.35220532443313122030508106305, 8.455793295871984035889715934557, 9.180583366385093428145826149984

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