Properties

Label 2-2420-1.1-c1-0-28
Degree $2$
Conductor $2420$
Sign $1$
Analytic cond. $19.3237$
Root an. cond. $4.39588$
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  + 2.39·3-s + 5-s + 4.65·7-s + 2.73·9-s + 6.03·13-s + 2.39·15-s + 3.32·17-s − 2.73·19-s + 11.1·21-s − 1.97·23-s + 25-s − 0.626·27-s − 2.29·29-s − 6.95·31-s + 4.65·35-s − 3.83·37-s + 14.4·39-s − 3.79·41-s − 7.98·43-s + 2.73·45-s − 12.1·47-s + 14.6·49-s + 7.95·51-s − 11.5·53-s − 6.56·57-s + 7.09·59-s + 1.33·61-s + ⋯
L(s)  = 1  + 1.38·3-s + 0.447·5-s + 1.75·7-s + 0.912·9-s + 1.67·13-s + 0.618·15-s + 0.805·17-s − 0.628·19-s + 2.43·21-s − 0.412·23-s + 0.200·25-s − 0.120·27-s − 0.425·29-s − 1.24·31-s + 0.786·35-s − 0.630·37-s + 2.31·39-s − 0.592·41-s − 1.21·43-s + 0.408·45-s − 1.77·47-s + 2.09·49-s + 1.11·51-s − 1.57·53-s − 0.868·57-s + 0.924·59-s + 0.171·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2420 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2420 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2420\)    =    \(2^{2} \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(19.3237\)
Root analytic conductor: \(4.39588\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2420,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.096251613\)
\(L(\frac12)\) \(\approx\) \(4.096251613\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
11 \( 1 \)
good3 \( 1 - 2.39T + 3T^{2} \)
7 \( 1 - 4.65T + 7T^{2} \)
13 \( 1 - 6.03T + 13T^{2} \)
17 \( 1 - 3.32T + 17T^{2} \)
19 \( 1 + 2.73T + 19T^{2} \)
23 \( 1 + 1.97T + 23T^{2} \)
29 \( 1 + 2.29T + 29T^{2} \)
31 \( 1 + 6.95T + 31T^{2} \)
37 \( 1 + 3.83T + 37T^{2} \)
41 \( 1 + 3.79T + 41T^{2} \)
43 \( 1 + 7.98T + 43T^{2} \)
47 \( 1 + 12.1T + 47T^{2} \)
53 \( 1 + 11.5T + 53T^{2} \)
59 \( 1 - 7.09T + 59T^{2} \)
61 \( 1 - 1.33T + 61T^{2} \)
67 \( 1 + 7.18T + 67T^{2} \)
71 \( 1 - 6.74T + 71T^{2} \)
73 \( 1 - 8.71T + 73T^{2} \)
79 \( 1 + 5.48T + 79T^{2} \)
83 \( 1 - 8.21T + 83T^{2} \)
89 \( 1 + 11.4T + 89T^{2} \)
97 \( 1 - 6.54T + 97T^{2} \)
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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

−8.718686720311200840982208864625, −8.224871811102919337152804791419, −7.86115452783854530042278077837, −6.77750925544897183562512982453, −5.73688765189083705439889422307, −4.95706341729059692870129779038, −3.90056837456233010124404700847, −3.25795044719271829915496650443, −1.88684894907553735645733453195, −1.56928576846308433924409817201, 1.56928576846308433924409817201, 1.88684894907553735645733453195, 3.25795044719271829915496650443, 3.90056837456233010124404700847, 4.95706341729059692870129779038, 5.73688765189083705439889422307, 6.77750925544897183562512982453, 7.86115452783854530042278077837, 8.224871811102919337152804791419, 8.718686720311200840982208864625

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