Properties

Label 2-1856-1.1-c1-0-47
Degree $2$
Conductor $1856$
Sign $1$
Analytic cond. $14.8202$
Root an. cond. $3.84970$
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  + 3.07·3-s + 4.23·5-s + 2.35·7-s + 6.47·9-s − 4.53·11-s + 1.76·13-s + 13.0·15-s − 5.23·17-s − 6.15·19-s + 7.23·21-s − 3.80·23-s + 12.9·25-s + 10.6·27-s − 29-s + 0.726·31-s − 13.9·33-s + 9.95·35-s − 2.47·37-s + 5.42·39-s − 7.23·41-s + 5.98·43-s + 27.4·45-s − 5.42·47-s − 1.47·49-s − 16.1·51-s + 3.76·53-s − 19.1·55-s + ⋯
L(s)  = 1  + 1.77·3-s + 1.89·5-s + 0.888·7-s + 2.15·9-s − 1.36·11-s + 0.489·13-s + 3.36·15-s − 1.26·17-s − 1.41·19-s + 1.57·21-s − 0.793·23-s + 2.58·25-s + 2.05·27-s − 0.185·29-s + 0.130·31-s − 2.42·33-s + 1.68·35-s − 0.406·37-s + 0.869·39-s − 1.13·41-s + 0.912·43-s + 4.08·45-s − 0.791·47-s − 0.210·49-s − 2.25·51-s + 0.517·53-s − 2.58·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1856\)    =    \(2^{6} \cdot 29\)
Sign: $1$
Analytic conductor: \(14.8202\)
Root analytic conductor: \(3.84970\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1856,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.537464628\)
\(L(\frac12)\) \(\approx\) \(4.537464628\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
29 \( 1 + T \)
good3 \( 1 - 3.07T + 3T^{2} \)
5 \( 1 - 4.23T + 5T^{2} \)
7 \( 1 - 2.35T + 7T^{2} \)
11 \( 1 + 4.53T + 11T^{2} \)
13 \( 1 - 1.76T + 13T^{2} \)
17 \( 1 + 5.23T + 17T^{2} \)
19 \( 1 + 6.15T + 19T^{2} \)
23 \( 1 + 3.80T + 23T^{2} \)
31 \( 1 - 0.726T + 31T^{2} \)
37 \( 1 + 2.47T + 37T^{2} \)
41 \( 1 + 7.23T + 41T^{2} \)
43 \( 1 - 5.98T + 43T^{2} \)
47 \( 1 + 5.42T + 47T^{2} \)
53 \( 1 - 3.76T + 53T^{2} \)
59 \( 1 + 6.71T + 59T^{2} \)
61 \( 1 - 2.76T + 61T^{2} \)
67 \( 1 - 12.3T + 67T^{2} \)
71 \( 1 + 3.24T + 71T^{2} \)
73 \( 1 + 4.94T + 73T^{2} \)
79 \( 1 + 2.17T + 79T^{2} \)
83 \( 1 + 16.1T + 83T^{2} \)
89 \( 1 - 1.70T + 89T^{2} \)
97 \( 1 - 9.70T + 97T^{2} \)
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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

−9.012525872001355791187058543256, −8.583929495155811365636575464257, −8.000231329588973762111762904896, −6.95030329851201774129363409046, −6.10341019536012158334265609982, −5.07776982945170524851662688507, −4.27602492103282518911972063278, −2.93852573348348348886598796004, −2.09870660412694756422059348330, −1.82769237587888095358949511676, 1.82769237587888095358949511676, 2.09870660412694756422059348330, 2.93852573348348348886598796004, 4.27602492103282518911972063278, 5.07776982945170524851662688507, 6.10341019536012158334265609982, 6.95030329851201774129363409046, 8.000231329588973762111762904896, 8.583929495155811365636575464257, 9.012525872001355791187058543256

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