Properties

Label 2-320-16.13-c5-0-7
Degree $2$
Conductor $320$
Sign $0.375 - 0.926i$
Analytic cond. $51.3228$
Root an. cond. $7.16399$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−9.88 − 9.88i)3-s + (−17.6 + 17.6i)5-s + 122. i·7-s − 47.4i·9-s + (301. − 301. i)11-s + (−384. − 384. i)13-s + 349.·15-s − 1.55e3·17-s + (2.09e3 + 2.09e3i)19-s + (1.20e3 − 1.20e3i)21-s − 4.76e3i·23-s − 625i·25-s + (−2.87e3 + 2.87e3i)27-s + (−1.90e3 − 1.90e3i)29-s − 1.15e3·31-s + ⋯
L(s)  = 1  + (−0.634 − 0.634i)3-s + (−0.316 + 0.316i)5-s + 0.943i·7-s − 0.195i·9-s + (0.750 − 0.750i)11-s + (−0.630 − 0.630i)13-s + 0.401·15-s − 1.30·17-s + (1.33 + 1.33i)19-s + (0.598 − 0.598i)21-s − 1.87i·23-s − 0.200i·25-s + (−0.758 + 0.758i)27-s + (−0.421 − 0.421i)29-s − 0.215·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.375 - 0.926i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.375 - 0.926i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $0.375 - 0.926i$
Analytic conductor: \(51.3228\)
Root analytic conductor: \(7.16399\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{320} (81, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :5/2),\ 0.375 - 0.926i)\)

Particular Values

\(L(3)\) \(\approx\) \(0.8224979980\)
\(L(\frac12)\) \(\approx\) \(0.8224979980\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + (17.6 - 17.6i)T \)
good3 \( 1 + (9.88 + 9.88i)T + 243iT^{2} \)
7 \( 1 - 122. iT - 1.68e4T^{2} \)
11 \( 1 + (-301. + 301. i)T - 1.61e5iT^{2} \)
13 \( 1 + (384. + 384. i)T + 3.71e5iT^{2} \)
17 \( 1 + 1.55e3T + 1.41e6T^{2} \)
19 \( 1 + (-2.09e3 - 2.09e3i)T + 2.47e6iT^{2} \)
23 \( 1 + 4.76e3iT - 6.43e6T^{2} \)
29 \( 1 + (1.90e3 + 1.90e3i)T + 2.05e7iT^{2} \)
31 \( 1 + 1.15e3T + 2.86e7T^{2} \)
37 \( 1 + (7.42e3 - 7.42e3i)T - 6.93e7iT^{2} \)
41 \( 1 - 4.11e3iT - 1.15e8T^{2} \)
43 \( 1 + (8.40e3 - 8.40e3i)T - 1.47e8iT^{2} \)
47 \( 1 - 8.94e3T + 2.29e8T^{2} \)
53 \( 1 + (-2.49e4 + 2.49e4i)T - 4.18e8iT^{2} \)
59 \( 1 + (2.32e4 - 2.32e4i)T - 7.14e8iT^{2} \)
61 \( 1 + (-1.43e4 - 1.43e4i)T + 8.44e8iT^{2} \)
67 \( 1 + (-3.88e4 - 3.88e4i)T + 1.35e9iT^{2} \)
71 \( 1 + 1.28e4iT - 1.80e9T^{2} \)
73 \( 1 - 2.85e4iT - 2.07e9T^{2} \)
79 \( 1 - 5.07e4T + 3.07e9T^{2} \)
83 \( 1 + (-3.94e4 - 3.94e4i)T + 3.93e9iT^{2} \)
89 \( 1 - 9.72e4iT - 5.58e9T^{2} \)
97 \( 1 + 4.67e4T + 8.58e9T^{2} \)
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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

−11.26801540624394075868469626127, −10.12596891711467364914265853160, −8.991107689840635359705349078826, −8.127894524923778860779205915329, −6.89556251446022620645660666300, −6.19041679820874448881097568761, −5.26899788962534512775110606239, −3.72604345196042237614675970112, −2.45022699945539150155484202496, −0.931148690589104407927854643664, 0.29452088166631939204048223373, 1.83498674442448874752491554022, 3.73955553640778619261325072573, 4.58902847585057086906636361384, 5.34914484163564943243273960324, 7.01115819081835570148694612075, 7.39805838502602388161429070284, 9.095176970402657227005521259114, 9.629584131402815033387301720263, 10.78691718538773913738236443475

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