Properties

Label 2-2640-1.1-c1-0-19
Degree $2$
Conductor $2640$
Sign $1$
Analytic cond. $21.0805$
Root an. cond. $4.59135$
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-s + 5-s + 2.60·7-s + 9-s − 11-s + 2.60·13-s + 15-s − 0.605·17-s − 7.21·19-s + 2.60·21-s + 25-s + 27-s + 8·29-s + 5.21·31-s − 33-s + 2.60·35-s + 11.2·37-s + 2.60·39-s + 8·41-s + 10.6·43-s + 45-s − 9.21·47-s − 0.211·49-s − 0.605·51-s + 2·53-s − 55-s − 7.21·57-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s + 0.984·7-s + 0.333·9-s − 0.301·11-s + 0.722·13-s + 0.258·15-s − 0.146·17-s − 1.65·19-s + 0.568·21-s + 0.200·25-s + 0.192·27-s + 1.48·29-s + 0.935·31-s − 0.174·33-s + 0.440·35-s + 1.84·37-s + 0.417·39-s + 1.24·41-s + 1.61·43-s + 0.149·45-s − 1.34·47-s − 0.0301·49-s − 0.0847·51-s + 0.274·53-s − 0.134·55-s − 0.955·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 11\)
Sign: $1$
Analytic conductor: \(21.0805\)
Root analytic conductor: \(4.59135\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2640,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.872660861\)
\(L(\frac12)\) \(\approx\) \(2.872660861\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - T \)
5 \( 1 - T \)
11 \( 1 + T \)
good7 \( 1 - 2.60T + 7T^{2} \)
13 \( 1 - 2.60T + 13T^{2} \)
17 \( 1 + 0.605T + 17T^{2} \)
19 \( 1 + 7.21T + 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 8T + 29T^{2} \)
31 \( 1 - 5.21T + 31T^{2} \)
37 \( 1 - 11.2T + 37T^{2} \)
41 \( 1 - 8T + 41T^{2} \)
43 \( 1 - 10.6T + 43T^{2} \)
47 \( 1 + 9.21T + 47T^{2} \)
53 \( 1 - 2T + 53T^{2} \)
59 \( 1 + 8T + 59T^{2} \)
61 \( 1 + 7.21T + 61T^{2} \)
67 \( 1 - 4T + 67T^{2} \)
71 \( 1 + 14.4T + 71T^{2} \)
73 \( 1 + 6.60T + 73T^{2} \)
79 \( 1 + 3.21T + 79T^{2} \)
83 \( 1 - 3.39T + 83T^{2} \)
89 \( 1 - 6T + 89T^{2} \)
97 \( 1 - 16.4T + 97T^{2} \)
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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

−8.732462468163192598020273793109, −8.181778850433677918944686002009, −7.58820864190194669731088043629, −6.40997546153718178503646187094, −5.96492485714835452313233742623, −4.60774043885907971676049514492, −4.35528793109392519791079201569, −2.93979649941588685509397875640, −2.18183591034351161673892935637, −1.11905910247211498743823245817, 1.11905910247211498743823245817, 2.18183591034351161673892935637, 2.93979649941588685509397875640, 4.35528793109392519791079201569, 4.60774043885907971676049514492, 5.96492485714835452313233742623, 6.40997546153718178503646187094, 7.58820864190194669731088043629, 8.181778850433677918944686002009, 8.732462468163192598020273793109

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