Properties

Label 2-240-3.2-c2-0-6
Degree $2$
Conductor $240$
Sign $0.745 - 0.666i$
Analytic cond. $6.53952$
Root an. cond. $2.55724$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + (2 + 2.23i)3-s − 2.23i·5-s + 6·7-s + (−1.00 + 8.94i)9-s + 4.47i·11-s + 16·13-s + (5.00 − 4.47i)15-s − 4.47i·17-s + 2·19-s + (12 + 13.4i)21-s + 13.4i·23-s − 5.00·25-s + (−22.0 + 15.6i)27-s + 31.3i·29-s + 18·31-s + ⋯
L(s)  = 1  + (0.666 + 0.745i)3-s − 0.447i·5-s + 0.857·7-s + (−0.111 + 0.993i)9-s + 0.406i·11-s + 1.23·13-s + (0.333 − 0.298i)15-s − 0.263i·17-s + 0.105·19-s + (0.571 + 0.638i)21-s + 0.583i·23-s − 0.200·25-s + (−0.814 + 0.579i)27-s + 1.07i·29-s + 0.580·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.745 - 0.666i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 240 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.745 - 0.666i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(240\)    =    \(2^{4} \cdot 3 \cdot 5\)
Sign: $0.745 - 0.666i$
Analytic conductor: \(6.53952\)
Root analytic conductor: \(2.55724\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{240} (161, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 240,\ (\ :1),\ 0.745 - 0.666i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.00551 + 0.766039i\)
\(L(\frac12)\) \(\approx\) \(2.00551 + 0.766039i\)
\(L(2)\) 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 \( 1 + (-2 - 2.23i)T \)
5 \( 1 + 2.23iT \)
good7 \( 1 - 6T + 49T^{2} \)
11 \( 1 - 4.47iT - 121T^{2} \)
13 \( 1 - 16T + 169T^{2} \)
17 \( 1 + 4.47iT - 289T^{2} \)
19 \( 1 - 2T + 361T^{2} \)
23 \( 1 - 13.4iT - 529T^{2} \)
29 \( 1 - 31.3iT - 841T^{2} \)
31 \( 1 - 18T + 961T^{2} \)
37 \( 1 + 16T + 1.36e3T^{2} \)
41 \( 1 + 62.6iT - 1.68e3T^{2} \)
43 \( 1 + 16T + 1.84e3T^{2} \)
47 \( 1 + 49.1iT - 2.20e3T^{2} \)
53 \( 1 + 4.47iT - 2.80e3T^{2} \)
59 \( 1 - 4.47iT - 3.48e3T^{2} \)
61 \( 1 - 82T + 3.72e3T^{2} \)
67 \( 1 + 24T + 4.48e3T^{2} \)
71 \( 1 + 125. iT - 5.04e3T^{2} \)
73 \( 1 + 74T + 5.32e3T^{2} \)
79 \( 1 + 138T + 6.24e3T^{2} \)
83 \( 1 + 93.9iT - 6.88e3T^{2} \)
89 \( 1 + 107. iT - 7.92e3T^{2} \)
97 \( 1 + 166T + 9.40e3T^{2} \)
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

−11.86920910629561101145235688080, −10.96337369704640198288128117707, −10.07557547052335808002722409524, −8.923208519302524341099040742225, −8.384563143636186599169378747887, −7.25607506890678589335485944452, −5.54549589411894565026202764813, −4.59546880608982404806472075166, −3.45736836724549910421010146035, −1.72511460261424381487328640801, 1.33018138899536871613497848073, 2.81335997239940769447514794145, 4.13586751584988462759068338316, 5.88229745292187659101033738958, 6.80005510706424155515445199127, 8.076471089702827309964779763516, 8.477825762438090264089948587370, 9.798378896442379803191075966203, 11.05596166713077925436426173029, 11.69504423317623663875070676695

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