Properties

Label 2-1680-1.1-c3-0-64
Degree $2$
Conductor $1680$
Sign $-1$
Analytic cond. $99.1232$
Root an. cond. $9.95606$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s − 5·5-s + 7·7-s + 9·9-s + 33.6·11-s − 38.3·13-s − 15·15-s + 65.7·17-s − 33.3·19-s + 21·21-s − 207.·23-s + 25·25-s + 27·27-s − 189.·29-s − 202.·31-s + 100.·33-s − 35·35-s − 16.5·37-s − 115.·39-s + 388.·41-s − 41.8·43-s − 45·45-s − 368.·47-s + 49·49-s + 197.·51-s + 458.·53-s − 168.·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.377·7-s + 0.333·9-s + 0.921·11-s − 0.818·13-s − 0.258·15-s + 0.937·17-s − 0.403·19-s + 0.218·21-s − 1.88·23-s + 0.200·25-s + 0.192·27-s − 1.21·29-s − 1.17·31-s + 0.531·33-s − 0.169·35-s − 0.0734·37-s − 0.472·39-s + 1.48·41-s − 0.148·43-s − 0.149·45-s − 1.14·47-s + 0.142·49-s + 0.541·51-s + 1.18·53-s − 0.412·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1680\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 7\)
Sign: $-1$
Analytic conductor: \(99.1232\)
Root analytic conductor: \(9.95606\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1680,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - 3T \)
5 \( 1 + 5T \)
7 \( 1 - 7T \)
good11 \( 1 - 33.6T + 1.33e3T^{2} \)
13 \( 1 + 38.3T + 2.19e3T^{2} \)
17 \( 1 - 65.7T + 4.91e3T^{2} \)
19 \( 1 + 33.3T + 6.85e3T^{2} \)
23 \( 1 + 207.T + 1.21e4T^{2} \)
29 \( 1 + 189.T + 2.43e4T^{2} \)
31 \( 1 + 202.T + 2.97e4T^{2} \)
37 \( 1 + 16.5T + 5.06e4T^{2} \)
41 \( 1 - 388.T + 6.89e4T^{2} \)
43 \( 1 + 41.8T + 7.95e4T^{2} \)
47 \( 1 + 368.T + 1.03e5T^{2} \)
53 \( 1 - 458.T + 1.48e5T^{2} \)
59 \( 1 + 256.T + 2.05e5T^{2} \)
61 \( 1 + 123.T + 2.26e5T^{2} \)
67 \( 1 - 336.T + 3.00e5T^{2} \)
71 \( 1 - 453.T + 3.57e5T^{2} \)
73 \( 1 - 22.0T + 3.89e5T^{2} \)
79 \( 1 + 385.T + 4.93e5T^{2} \)
83 \( 1 + 23.7T + 5.71e5T^{2} \)
89 \( 1 + 1.48e3T + 7.04e5T^{2} \)
97 \( 1 - 51.9T + 9.12e5T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−8.531217576226349885976973369650, −7.76457245653019079713027999377, −7.27875188619155206348332621163, −6.19315639728340030314052038914, −5.27784427751853549606884065647, −4.13963231645660678809508226152, −3.66914952388421824495906849099, −2.38715737553529385590759364152, −1.45988546523222256414934791375, 0, 1.45988546523222256414934791375, 2.38715737553529385590759364152, 3.66914952388421824495906849099, 4.13963231645660678809508226152, 5.27784427751853549606884065647, 6.19315639728340030314052038914, 7.27875188619155206348332621163, 7.76457245653019079713027999377, 8.531217576226349885976973369650

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