Properties

Label 2-57-19.9-c3-0-1
Degree $2$
Conductor $57$
Sign $-0.962 + 0.269i$
Analytic cond. $3.36310$
Root an. cond. $1.83387$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.628 + 3.56i)2-s + (−2.29 + 1.92i)3-s + (−4.78 + 1.74i)4-s + (−14.2 − 5.18i)5-s + (−8.31 − 6.97i)6-s + (−12.3 + 21.3i)7-s + (5.26 + 9.12i)8-s + (1.56 − 8.86i)9-s + (9.51 − 53.9i)10-s + (−22.6 − 39.2i)11-s + (7.63 − 13.2i)12-s + (64.8 + 54.4i)13-s + (−83.8 − 30.5i)14-s + (42.7 − 15.5i)15-s + (−60.3 + 50.6i)16-s + (4.59 + 26.0i)17-s + ⋯
L(s)  = 1  + (0.222 + 1.25i)2-s + (−0.442 + 0.371i)3-s + (−0.597 + 0.217i)4-s + (−1.27 − 0.463i)5-s + (−0.565 − 0.474i)6-s + (−0.665 + 1.15i)7-s + (0.232 + 0.403i)8-s + (0.0578 − 0.328i)9-s + (0.300 − 1.70i)10-s + (−0.621 − 1.07i)11-s + (0.183 − 0.318i)12-s + (1.38 + 1.16i)13-s + (−1.60 − 0.582i)14-s + (0.735 − 0.267i)15-s + (−0.943 + 0.791i)16-s + (0.0655 + 0.371i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.962 + 0.269i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.962 + 0.269i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(57\)    =    \(3 \cdot 19\)
Sign: $-0.962 + 0.269i$
Analytic conductor: \(3.36310\)
Root analytic conductor: \(1.83387\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{57} (28, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 57,\ (\ :3/2),\ -0.962 + 0.269i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.112119 - 0.815683i\)
\(L(\frac12)\) \(\approx\) \(0.112119 - 0.815683i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (2.29 - 1.92i)T \)
19 \( 1 + (21.7 - 79.9i)T \)
good2 \( 1 + (-0.628 - 3.56i)T + (-7.51 + 2.73i)T^{2} \)
5 \( 1 + (14.2 + 5.18i)T + (95.7 + 80.3i)T^{2} \)
7 \( 1 + (12.3 - 21.3i)T + (-171.5 - 297. i)T^{2} \)
11 \( 1 + (22.6 + 39.2i)T + (-665.5 + 1.15e3i)T^{2} \)
13 \( 1 + (-64.8 - 54.4i)T + (381. + 2.16e3i)T^{2} \)
17 \( 1 + (-4.59 - 26.0i)T + (-4.61e3 + 1.68e3i)T^{2} \)
23 \( 1 + (-14.5 + 5.30i)T + (9.32e3 - 7.82e3i)T^{2} \)
29 \( 1 + (43.1 - 244. i)T + (-2.29e4 - 8.34e3i)T^{2} \)
31 \( 1 + (-118. + 205. i)T + (-1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 - 103.T + 5.06e4T^{2} \)
41 \( 1 + (-137. + 115. i)T + (1.19e4 - 6.78e4i)T^{2} \)
43 \( 1 + (259. + 94.5i)T + (6.09e4 + 5.11e4i)T^{2} \)
47 \( 1 + (-7.48 + 42.4i)T + (-9.75e4 - 3.55e4i)T^{2} \)
53 \( 1 + (-12.5 + 4.55i)T + (1.14e5 - 9.56e4i)T^{2} \)
59 \( 1 + (10.2 + 58.2i)T + (-1.92e5 + 7.02e4i)T^{2} \)
61 \( 1 + (-637. + 231. i)T + (1.73e5 - 1.45e5i)T^{2} \)
67 \( 1 + (127. - 725. i)T + (-2.82e5 - 1.02e5i)T^{2} \)
71 \( 1 + (303. + 110. i)T + (2.74e5 + 2.30e5i)T^{2} \)
73 \( 1 + (-275. + 231. i)T + (6.75e4 - 3.83e5i)T^{2} \)
79 \( 1 + (182. - 152. i)T + (8.56e4 - 4.85e5i)T^{2} \)
83 \( 1 + (229. - 397. i)T + (-2.85e5 - 4.95e5i)T^{2} \)
89 \( 1 + (-819. - 688. i)T + (1.22e5 + 6.94e5i)T^{2} \)
97 \( 1 + (-92.1 - 522. i)T + (-8.57e5 + 3.12e5i)T^{2} \)
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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

−15.75039404191089455749770605629, −14.67305896760273434938835010529, −13.20863972894281346733469821497, −11.89879352892137952811700782624, −10.98859106077974905013184727237, −8.869723520963369139648107006976, −8.156396298347433446916391276293, −6.44793728210403263866659956085, −5.52586493037715904154335338246, −3.88767283962073454710991509950, 0.58779483937009052706199184009, 3.12085766981622827971979219354, 4.35165047023306349078334803680, 6.82518695173834477993682542348, 7.79886570856927027164901506487, 10.08519463200077578501734610661, 10.85050418660849728906293347117, 11.67758157469931570264027986570, 12.88564540881861195895637041034, 13.43425565526932757847706704929

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