Properties

Label 2-1680-21.20-c1-0-50
Degree $2$
Conductor $1680$
Sign $-0.994 - 0.102i$
Analytic cond. $13.4148$
Root an. cond. $3.66263$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + (−1.18 − 1.26i)3-s − 5-s + (2 − 1.73i)7-s + (−0.186 + 2.99i)9-s + 2.52i·11-s − 4.10i·13-s + (1.18 + 1.26i)15-s − 4.37·17-s + 3.46i·19-s + (−4.55 − 0.469i)21-s − 8.51i·23-s + 25-s + (4.00 − 3.31i)27-s + 0.939i·29-s − 3.46i·31-s + ⋯
L(s)  = 1  + (−0.684 − 0.728i)3-s − 0.447·5-s + (0.755 − 0.654i)7-s + (−0.0620 + 0.998i)9-s + 0.761i·11-s − 1.13i·13-s + (0.306 + 0.325i)15-s − 1.06·17-s + 0.794i·19-s + (−0.994 − 0.102i)21-s − 1.77i·23-s + 0.200·25-s + (0.769 − 0.638i)27-s + 0.174i·29-s − 0.622i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.994 - 0.102i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.994 - 0.102i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1680\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 7\)
Sign: $-0.994 - 0.102i$
Analytic conductor: \(13.4148\)
Root analytic conductor: \(3.66263\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1680} (881, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1680,\ (\ :1/2),\ -0.994 - 0.102i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4650662150\)
\(L(\frac12)\) \(\approx\) \(0.4650662150\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.18 + 1.26i)T \)
5 \( 1 + T \)
7 \( 1 + (-2 + 1.73i)T \)
good11 \( 1 - 2.52iT - 11T^{2} \)
13 \( 1 + 4.10iT - 13T^{2} \)
17 \( 1 + 4.37T + 17T^{2} \)
19 \( 1 - 3.46iT - 19T^{2} \)
23 \( 1 + 8.51iT - 23T^{2} \)
29 \( 1 - 0.939iT - 29T^{2} \)
31 \( 1 + 3.46iT - 31T^{2} \)
37 \( 1 + 6.74T + 37T^{2} \)
41 \( 1 - 6T + 41T^{2} \)
43 \( 1 + 4.74T + 43T^{2} \)
47 \( 1 + 1.62T + 47T^{2} \)
53 \( 1 + 1.87iT - 53T^{2} \)
59 \( 1 + 8.74T + 59T^{2} \)
61 \( 1 - 6.92iT - 61T^{2} \)
67 \( 1 + 4.74T + 67T^{2} \)
71 \( 1 + 0.294iT - 71T^{2} \)
73 \( 1 - 6.92iT - 73T^{2} \)
79 \( 1 - 2.37T + 79T^{2} \)
83 \( 1 + 17.4T + 83T^{2} \)
89 \( 1 + 14.7T + 89T^{2} \)
97 \( 1 + 11.0iT - 97T^{2} \)
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

−8.588951721677793076169865243255, −8.064729995550797449233201716929, −7.30891671690519249681534004517, −6.69636039483119237581559789150, −5.70235346437091606751674643579, −4.77291368670899057624532000033, −4.14811121578050420646318548785, −2.62264528870295132547606370390, −1.49825432010313750208832753898, −0.19755090751280059143772401288, 1.59079172840653522199108656460, 3.05233429595434281112138682150, 4.09337936399170725971601456687, 4.82573522482177886361665811526, 5.56723507297850865411845341210, 6.46899672759348202238310268157, 7.27264436850529632753427018499, 8.423992208445556341664672903953, 9.029090889168201574344217820571, 9.584707177893782108666534725155

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