Properties

Label 2-1840-1.1-c3-0-55
Degree $2$
Conductor $1840$
Sign $1$
Analytic cond. $108.563$
Root an. cond. $10.4193$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 9.27·3-s − 5·5-s − 33.0·7-s + 59.0·9-s + 54.6·11-s + 86.7·13-s − 46.3·15-s + 77.8·17-s − 138.·19-s − 306.·21-s − 23·23-s + 25·25-s + 297.·27-s − 212.·29-s + 147.·31-s + 506.·33-s + 165.·35-s − 185.·37-s + 804.·39-s + 322.·41-s − 3.59·43-s − 295.·45-s + 18.6·47-s + 751.·49-s + 721.·51-s − 6.84·53-s − 273.·55-s + ⋯
L(s)  = 1  + 1.78·3-s − 0.447·5-s − 1.78·7-s + 2.18·9-s + 1.49·11-s + 1.85·13-s − 0.798·15-s + 1.11·17-s − 1.66·19-s − 3.18·21-s − 0.208·23-s + 0.200·25-s + 2.11·27-s − 1.35·29-s + 0.855·31-s + 2.67·33-s + 0.798·35-s − 0.825·37-s + 3.30·39-s + 1.22·41-s − 0.0127·43-s − 0.977·45-s + 0.0578·47-s + 2.19·49-s + 1.98·51-s − 0.0177·53-s − 0.669·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(108.563\)
Root analytic conductor: \(10.4193\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(4.095793780\)
\(L(\frac12)\) \(\approx\) \(4.095793780\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + 5T \)
23 \( 1 + 23T \)
good3 \( 1 - 9.27T + 27T^{2} \)
7 \( 1 + 33.0T + 343T^{2} \)
11 \( 1 - 54.6T + 1.33e3T^{2} \)
13 \( 1 - 86.7T + 2.19e3T^{2} \)
17 \( 1 - 77.8T + 4.91e3T^{2} \)
19 \( 1 + 138.T + 6.85e3T^{2} \)
29 \( 1 + 212.T + 2.43e4T^{2} \)
31 \( 1 - 147.T + 2.97e4T^{2} \)
37 \( 1 + 185.T + 5.06e4T^{2} \)
41 \( 1 - 322.T + 6.89e4T^{2} \)
43 \( 1 + 3.59T + 7.95e4T^{2} \)
47 \( 1 - 18.6T + 1.03e5T^{2} \)
53 \( 1 + 6.84T + 1.48e5T^{2} \)
59 \( 1 + 414.T + 2.05e5T^{2} \)
61 \( 1 - 258.T + 2.26e5T^{2} \)
67 \( 1 - 490.T + 3.00e5T^{2} \)
71 \( 1 - 821.T + 3.57e5T^{2} \)
73 \( 1 - 11.4T + 3.89e5T^{2} \)
79 \( 1 + 214.T + 4.93e5T^{2} \)
83 \( 1 - 793.T + 5.71e5T^{2} \)
89 \( 1 + 192.T + 7.04e5T^{2} \)
97 \( 1 - 1.13e3T + 9.12e5T^{2} \)
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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

−8.896207901288200056339566109584, −8.351880548410269649354533412591, −7.42717469822902432473324161533, −6.52636387975219503306475145737, −6.10570138778621805945624633489, −4.11779906094298243752173217094, −3.67187041203180370350899814189, −3.27065763385031999742366428636, −2.03808651041576302320578380275, −0.895973185254034978563961330603, 0.895973185254034978563961330603, 2.03808651041576302320578380275, 3.27065763385031999742366428636, 3.67187041203180370350899814189, 4.11779906094298243752173217094, 6.10570138778621805945624633489, 6.52636387975219503306475145737, 7.42717469822902432473324161533, 8.351880548410269649354533412591, 8.896207901288200056339566109584

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