Properties

Label 2-2640-1.1-c1-0-20
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

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s + 4.82·7-s + 9-s + 11-s + 5.65·13-s − 15-s − 6.82·17-s + 1.17·19-s + 4.82·21-s + 4·23-s + 25-s + 27-s + 0.828·29-s + 33-s − 4.82·35-s + 0.343·37-s + 5.65·39-s − 0.828·41-s + 3.17·43-s − 45-s + 4·47-s + 16.3·49-s − 6.82·51-s − 13.3·53-s − 55-s + 1.17·57-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 1.82·7-s + 0.333·9-s + 0.301·11-s + 1.56·13-s − 0.258·15-s − 1.65·17-s + 0.268·19-s + 1.05·21-s + 0.834·23-s + 0.200·25-s + 0.192·27-s + 0.153·29-s + 0.174·33-s − 0.816·35-s + 0.0564·37-s + 0.905·39-s − 0.129·41-s + 0.483·43-s − 0.149·45-s + 0.583·47-s + 2.33·49-s − 0.956·51-s − 1.82·53-s − 0.134·55-s + 0.155·57-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

\(L(1)\) \(\approx\) \(2.855379738\)
\(L(\frac12)\) \(\approx\) \(2.855379738\)
\(L(\frac{3}{2})\) 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 \( 1 - 4.82T + 7T^{2} \)
13 \( 1 - 5.65T + 13T^{2} \)
17 \( 1 + 6.82T + 17T^{2} \)
19 \( 1 - 1.17T + 19T^{2} \)
23 \( 1 - 4T + 23T^{2} \)
29 \( 1 - 0.828T + 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 - 0.343T + 37T^{2} \)
41 \( 1 + 0.828T + 41T^{2} \)
43 \( 1 - 3.17T + 43T^{2} \)
47 \( 1 - 4T + 47T^{2} \)
53 \( 1 + 13.3T + 53T^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 + 0.343T + 61T^{2} \)
67 \( 1 + 5.65T + 67T^{2} \)
71 \( 1 + 13.6T + 71T^{2} \)
73 \( 1 + 11.3T + 73T^{2} \)
79 \( 1 - 8.48T + 79T^{2} \)
83 \( 1 - 10T + 83T^{2} \)
89 \( 1 + 7.65T + 89T^{2} \)
97 \( 1 - 0.343T + 97T^{2} \)
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

−8.712467036295104978643198968595, −8.257506283693475089293387976944, −7.50563407396158848205176707776, −6.72106798873757498080537612128, −5.73128040437547016483917302648, −4.62114061221701144897874031811, −4.26215113462449310436068329124, −3.18423974469110956922011270208, −1.98820282892135820732756833986, −1.15749125850269882240041475256, 1.15749125850269882240041475256, 1.98820282892135820732756833986, 3.18423974469110956922011270208, 4.26215113462449310436068329124, 4.62114061221701144897874031811, 5.73128040437547016483917302648, 6.72106798873757498080537612128, 7.50563407396158848205176707776, 8.257506283693475089293387976944, 8.712467036295104978643198968595

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