Properties

Label 2-2640-1.1-c1-0-38
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 5-s + 4.42·7-s + 9-s − 11-s − 0.622·13-s − 15-s − 5.18·17-s − 7.05·19-s − 4.42·21-s − 8.85·23-s + 25-s − 27-s − 7.80·29-s − 2.75·31-s + 33-s + 4.42·35-s − 2·37-s + 0.622·39-s − 0.193·41-s − 5.67·43-s + 45-s + 2.75·47-s + 12.6·49-s + 5.18·51-s − 10.8·53-s − 55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s + 1.67·7-s + 0.333·9-s − 0.301·11-s − 0.172·13-s − 0.258·15-s − 1.25·17-s − 1.61·19-s − 0.966·21-s − 1.84·23-s + 0.200·25-s − 0.192·27-s − 1.44·29-s − 0.494·31-s + 0.174·33-s + 0.748·35-s − 0.328·37-s + 0.0996·39-s − 0.0302·41-s − 0.865·43-s + 0.149·45-s + 0.401·47-s + 1.80·49-s + 0.725·51-s − 1.49·53-s − 0.134·55-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: \(1\)
Selberg data: \((2,\ 2640,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - 4.42T + 7T^{2} \)
13 \( 1 + 0.622T + 13T^{2} \)
17 \( 1 + 5.18T + 17T^{2} \)
19 \( 1 + 7.05T + 19T^{2} \)
23 \( 1 + 8.85T + 23T^{2} \)
29 \( 1 + 7.80T + 29T^{2} \)
31 \( 1 + 2.75T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 + 0.193T + 41T^{2} \)
43 \( 1 + 5.67T + 43T^{2} \)
47 \( 1 - 2.75T + 47T^{2} \)
53 \( 1 + 10.8T + 53T^{2} \)
59 \( 1 - 4.85T + 59T^{2} \)
61 \( 1 - 6.85T + 61T^{2} \)
67 \( 1 - 1.24T + 67T^{2} \)
71 \( 1 + 2.75T + 71T^{2} \)
73 \( 1 - 4.23T + 73T^{2} \)
79 \( 1 + 8.56T + 79T^{2} \)
83 \( 1 + 0.133T + 83T^{2} \)
89 \( 1 - 5.61T + 89T^{2} \)
97 \( 1 - 7.24T + 97T^{2} \)
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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

−8.391663282320161713401167395065, −7.83046392536900667641767918779, −6.89460668168336957054908332059, −6.07917125953918005816771091669, −5.34478951113909419184355010781, −4.58637969334432607644709467657, −3.95952266915956602547684779065, −2.13306533034983871672222013848, −1.82290899663276006634985141032, 0, 1.82290899663276006634985141032, 2.13306533034983871672222013848, 3.95952266915956602547684779065, 4.58637969334432607644709467657, 5.34478951113909419184355010781, 6.07917125953918005816771091669, 6.89460668168336957054908332059, 7.83046392536900667641767918779, 8.391663282320161713401167395065

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