Properties

Label 2-1680-35.34-c2-0-51
Degree $2$
Conductor $1680$
Sign $0.984 - 0.175i$
Analytic cond. $45.7766$
Root an. cond. $6.76584$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.73·3-s + (4.59 − 1.96i)5-s + (−6.81 − 1.57i)7-s + 2.99·9-s + 8.15·11-s + 14.6·13-s + (7.96 − 3.40i)15-s + 5.81·17-s + 33.7i·19-s + (−11.8 − 2.73i)21-s + 37.2i·23-s + (17.2 − 18.0i)25-s + 5.19·27-s − 9.25·29-s − 19.2i·31-s + ⋯
L(s)  = 1  + 0.577·3-s + (0.919 − 0.393i)5-s + (−0.974 − 0.225i)7-s + 0.333·9-s + 0.741·11-s + 1.12·13-s + (0.530 − 0.226i)15-s + 0.342·17-s + 1.77i·19-s + (−0.562 − 0.130i)21-s + 1.61i·23-s + (0.691 − 0.722i)25-s + 0.192·27-s − 0.319·29-s − 0.621i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.984 - 0.175i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.984 - 0.175i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1680\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 7\)
Sign: $0.984 - 0.175i$
Analytic conductor: \(45.7766\)
Root analytic conductor: \(6.76584\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1680} (769, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1680,\ (\ :1),\ 0.984 - 0.175i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(3.072127281\)
\(L(\frac12)\) \(\approx\) \(3.072127281\)
\(L(2)\) 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 \( 1 - 1.73T \)
5 \( 1 + (-4.59 + 1.96i)T \)
7 \( 1 + (6.81 + 1.57i)T \)
good11 \( 1 - 8.15T + 121T^{2} \)
13 \( 1 - 14.6T + 169T^{2} \)
17 \( 1 - 5.81T + 289T^{2} \)
19 \( 1 - 33.7iT - 361T^{2} \)
23 \( 1 - 37.2iT - 529T^{2} \)
29 \( 1 + 9.25T + 841T^{2} \)
31 \( 1 + 19.2iT - 961T^{2} \)
37 \( 1 - 63.4iT - 1.36e3T^{2} \)
41 \( 1 + 8.25iT - 1.68e3T^{2} \)
43 \( 1 + 42.0iT - 1.84e3T^{2} \)
47 \( 1 + 23.3T + 2.20e3T^{2} \)
53 \( 1 + 71.3iT - 2.80e3T^{2} \)
59 \( 1 + 42.9iT - 3.48e3T^{2} \)
61 \( 1 - 34.2iT - 3.72e3T^{2} \)
67 \( 1 + 4.99iT - 4.48e3T^{2} \)
71 \( 1 - 38.8T + 5.04e3T^{2} \)
73 \( 1 - 124.T + 5.32e3T^{2} \)
79 \( 1 - 56.1T + 6.24e3T^{2} \)
83 \( 1 - 90.3T + 6.88e3T^{2} \)
89 \( 1 + 16.2iT - 7.92e3T^{2} \)
97 \( 1 - 82.7T + 9.40e3T^{2} \)
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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

−9.326328660889488784843118289531, −8.495313568291023647947365929993, −7.73624147872741421164279287090, −6.58453384230508389914247473686, −6.09254449323606894673212405650, −5.22781406851396509817882087152, −3.74482086376048347242277377206, −3.47763209806139290726974904765, −1.95647680729935982419902387024, −1.13005554872866252270083971073, 0.890825454789922708726662814747, 2.25426204183269635688512964842, 3.01561300630315154652696111294, 3.90621356717449811370220062768, 5.06908076240157489969951688341, 6.29888445794112050463904335576, 6.47883531275213618683537497231, 7.44244271535144200497986314493, 8.750346112504834274786153919028, 9.066023083358732649377090055019

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