Properties

Label 2-57-19.14-c2-0-4
Degree $2$
Conductor $57$
Sign $0.974 + 0.225i$
Analytic cond. $1.55313$
Root an. cond. $1.24624$
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  + (0.0268 + 0.0738i)2-s + (1.70 + 0.300i)3-s + (3.05 − 2.56i)4-s + (−2.91 − 2.44i)5-s + (0.0236 + 0.134i)6-s + (2.84 + 4.92i)7-s + (0.544 + 0.314i)8-s + (2.81 + 1.02i)9-s + (0.102 − 0.280i)10-s + (−1.02 + 1.78i)11-s + (5.99 − 3.45i)12-s + (−4.27 + 0.754i)13-s + (−0.287 + 0.342i)14-s + (−4.23 − 5.04i)15-s + (2.76 − 15.6i)16-s + (−28.2 + 10.2i)17-s + ⋯
L(s)  = 1  + (0.0134 + 0.0369i)2-s + (0.568 + 0.100i)3-s + (0.764 − 0.641i)4-s + (−0.582 − 0.488i)5-s + (0.00394 + 0.0223i)6-s + (0.406 + 0.703i)7-s + (0.0680 + 0.0392i)8-s + (0.313 + 0.114i)9-s + (0.0102 − 0.0280i)10-s + (−0.0935 + 0.161i)11-s + (0.499 − 0.288i)12-s + (−0.329 + 0.0580i)13-s + (−0.0205 + 0.0244i)14-s + (−0.282 − 0.336i)15-s + (0.172 − 0.980i)16-s + (−1.66 + 0.604i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.974 + 0.225i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.974 + 0.225i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(57\)    =    \(3 \cdot 19\)
Sign: $0.974 + 0.225i$
Analytic conductor: \(1.55313\)
Root analytic conductor: \(1.24624\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{57} (52, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 57,\ (\ :1),\ 0.974 + 0.225i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.44032 - 0.164610i\)
\(L(\frac12)\) \(\approx\) \(1.44032 - 0.164610i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.70 - 0.300i)T \)
19 \( 1 + (6.47 - 17.8i)T \)
good2 \( 1 + (-0.0268 - 0.0738i)T + (-3.06 + 2.57i)T^{2} \)
5 \( 1 + (2.91 + 2.44i)T + (4.34 + 24.6i)T^{2} \)
7 \( 1 + (-2.84 - 4.92i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 + (1.02 - 1.78i)T + (-60.5 - 104. i)T^{2} \)
13 \( 1 + (4.27 - 0.754i)T + (158. - 57.8i)T^{2} \)
17 \( 1 + (28.2 - 10.2i)T + (221. - 185. i)T^{2} \)
23 \( 1 + (1.23 - 1.03i)T + (91.8 - 520. i)T^{2} \)
29 \( 1 + (-5.64 + 15.5i)T + (-644. - 540. i)T^{2} \)
31 \( 1 + (-13.3 + 7.68i)T + (480.5 - 832. i)T^{2} \)
37 \( 1 - 25.9iT - 1.36e3T^{2} \)
41 \( 1 + (-66.2 - 11.6i)T + (1.57e3 + 574. i)T^{2} \)
43 \( 1 + (30.1 + 25.2i)T + (321. + 1.82e3i)T^{2} \)
47 \( 1 + (-48.3 - 17.6i)T + (1.69e3 + 1.41e3i)T^{2} \)
53 \( 1 + (-33.1 - 39.4i)T + (-487. + 2.76e3i)T^{2} \)
59 \( 1 + (36.3 + 99.9i)T + (-2.66e3 + 2.23e3i)T^{2} \)
61 \( 1 + (81.8 - 68.6i)T + (646. - 3.66e3i)T^{2} \)
67 \( 1 + (-12.3 + 33.9i)T + (-3.43e3 - 2.88e3i)T^{2} \)
71 \( 1 + (-62.5 + 74.5i)T + (-875. - 4.96e3i)T^{2} \)
73 \( 1 + (0.571 - 3.23i)T + (-5.00e3 - 1.82e3i)T^{2} \)
79 \( 1 + (60.6 + 10.6i)T + (5.86e3 + 2.13e3i)T^{2} \)
83 \( 1 + (30.0 + 51.9i)T + (-3.44e3 + 5.96e3i)T^{2} \)
89 \( 1 + (33.0 - 5.83i)T + (7.44e3 - 2.70e3i)T^{2} \)
97 \( 1 + (40.0 + 109. i)T + (-7.20e3 + 6.04e3i)T^{2} \)
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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

−15.25474792186279197543594779743, −14.06097062190735182221171360107, −12.55271245418013508286843580337, −11.54895003011216027569576388774, −10.32644462082831233387577237562, −8.905477882905784186529153263065, −7.79446406858798752572567342307, −6.19456528486971014153657729734, −4.50967778815408424315305728414, −2.20054564544889967155652952791, 2.65158685292804053544618195082, 4.22355376656891807458083512382, 6.85721761344985547861586691938, 7.56073069786773962693004114123, 8.865306652808231105532244921361, 10.74380042676046404546223945711, 11.42884887665675744293534051154, 12.81304841116464648904709351910, 13.89583947145818138336346330004, 15.17398637619904936267868304254

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