Properties

Label 2-531-3.2-c4-0-53
Degree $2$
Conductor $531$
Sign $0.816 - 0.577i$
Analytic cond. $54.8894$
Root an. cond. $7.40874$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.86i·2-s + 1.07·4-s − 17.4i·5-s + 88.9·7-s + 65.9i·8-s + 67.3·10-s − 118. i·11-s + 299.·13-s + 343. i·14-s − 237.·16-s + 163. i·17-s − 57.9·19-s − 18.7i·20-s + 457.·22-s − 461. i·23-s + ⋯
L(s)  = 1  + 0.965i·2-s + 0.0673·4-s − 0.697i·5-s + 1.81·7-s + 1.03i·8-s + 0.673·10-s − 0.978i·11-s + 1.77·13-s + 1.75i·14-s − 0.928·16-s + 0.565i·17-s − 0.160·19-s − 0.0469i·20-s + 0.945·22-s − 0.873i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.816 - 0.577i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.816 - 0.577i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(531\)    =    \(3^{2} \cdot 59\)
Sign: $0.816 - 0.577i$
Analytic conductor: \(54.8894\)
Root analytic conductor: \(7.40874\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{531} (296, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 531,\ (\ :2),\ 0.816 - 0.577i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(3.366159672\)
\(L(\frac12)\) \(\approx\) \(3.366159672\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
59 \( 1 + 453. iT \)
good2 \( 1 - 3.86iT - 16T^{2} \)
5 \( 1 + 17.4iT - 625T^{2} \)
7 \( 1 - 88.9T + 2.40e3T^{2} \)
11 \( 1 + 118. iT - 1.46e4T^{2} \)
13 \( 1 - 299.T + 2.85e4T^{2} \)
17 \( 1 - 163. iT - 8.35e4T^{2} \)
19 \( 1 + 57.9T + 1.30e5T^{2} \)
23 \( 1 + 461. iT - 2.79e5T^{2} \)
29 \( 1 + 897. iT - 7.07e5T^{2} \)
31 \( 1 + 1.16e3T + 9.23e5T^{2} \)
37 \( 1 - 1.01e3T + 1.87e6T^{2} \)
41 \( 1 + 365. iT - 2.82e6T^{2} \)
43 \( 1 + 3.35e3T + 3.41e6T^{2} \)
47 \( 1 + 3.49e3iT - 4.87e6T^{2} \)
53 \( 1 - 1.59e3iT - 7.89e6T^{2} \)
61 \( 1 - 2.77e3T + 1.38e7T^{2} \)
67 \( 1 - 3.01e3T + 2.01e7T^{2} \)
71 \( 1 - 1.95e3iT - 2.54e7T^{2} \)
73 \( 1 - 6.73e3T + 2.83e7T^{2} \)
79 \( 1 + 4.87e3T + 3.89e7T^{2} \)
83 \( 1 + 2.89e3iT - 4.74e7T^{2} \)
89 \( 1 - 1.59e3iT - 6.27e7T^{2} \)
97 \( 1 + 2.05e3T + 8.85e7T^{2} \)
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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

−10.62346276196748448231521855882, −8.715168366500790080016173632173, −8.486800094470726076363927948683, −7.87990086189574085771687679513, −6.58287103970329184069390926356, −5.71651155198932737112214364864, −4.99381535586970026621283958763, −3.86077756236451011135108555314, −2.03024906551357052154609608885, −0.990924878278591166624863281572, 1.27323386756035128761818356000, 1.87260978120948206017525253320, 3.16312680435485326152439012451, 4.19298368763661310777471830462, 5.29636381525895201629001195955, 6.64820535239937544071031591408, 7.44339786212591119913848545956, 8.425253689977357241920343740110, 9.485364574936297837242016318452, 10.54908032297185851699693927661

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