Properties

Label 2-57-19.15-c2-0-5
Degree $2$
Conductor $57$
Sign $-0.129 + 0.991i$
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  + (1.04 − 2.87i)2-s + (1.70 − 0.300i)3-s + (−4.10 − 3.44i)4-s + (0.191 − 0.160i)5-s + (0.919 − 5.21i)6-s + (−3.85 + 6.67i)7-s + (−3.58 + 2.07i)8-s + (2.81 − 1.02i)9-s + (−0.260 − 0.716i)10-s + (4.20 + 7.27i)11-s + (−8.03 − 4.63i)12-s + (−16.3 − 2.87i)13-s + (15.1 + 18.0i)14-s + (0.277 − 0.330i)15-s + (−1.51 − 8.61i)16-s + (10.7 + 3.89i)17-s + ⋯
L(s)  = 1  + (0.523 − 1.43i)2-s + (0.568 − 0.100i)3-s + (−1.02 − 0.860i)4-s + (0.0382 − 0.0320i)5-s + (0.153 − 0.869i)6-s + (−0.550 + 0.953i)7-s + (−0.448 + 0.258i)8-s + (0.313 − 0.114i)9-s + (−0.0260 − 0.0716i)10-s + (0.381 + 0.661i)11-s + (−0.669 − 0.386i)12-s + (−1.25 − 0.221i)13-s + (1.08 + 1.29i)14-s + (0.0185 − 0.0220i)15-s + (−0.0949 − 0.538i)16-s + (0.630 + 0.229i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.129 + 0.991i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 57 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.129 + 0.991i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(57\)    =    \(3 \cdot 19\)
Sign: $-0.129 + 0.991i$
Analytic conductor: \(1.55313\)
Root analytic conductor: \(1.24624\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{57} (34, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 57,\ (\ :1),\ -0.129 + 0.991i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.07889 - 1.22918i\)
\(L(\frac12)\) \(\approx\) \(1.07889 - 1.22918i\)
\(L(2)\) 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 \( 1 + (-18.9 - 0.183i)T \)
good2 \( 1 + (-1.04 + 2.87i)T + (-3.06 - 2.57i)T^{2} \)
5 \( 1 + (-0.191 + 0.160i)T + (4.34 - 24.6i)T^{2} \)
7 \( 1 + (3.85 - 6.67i)T + (-24.5 - 42.4i)T^{2} \)
11 \( 1 + (-4.20 - 7.27i)T + (-60.5 + 104. i)T^{2} \)
13 \( 1 + (16.3 + 2.87i)T + (158. + 57.8i)T^{2} \)
17 \( 1 + (-10.7 - 3.89i)T + (221. + 185. i)T^{2} \)
23 \( 1 + (-0.904 - 0.758i)T + (91.8 + 520. i)T^{2} \)
29 \( 1 + (8.37 + 23.0i)T + (-644. + 540. i)T^{2} \)
31 \( 1 + (49.2 + 28.4i)T + (480.5 + 832. i)T^{2} \)
37 \( 1 - 0.192iT - 1.36e3T^{2} \)
41 \( 1 + (47.4 - 8.35i)T + (1.57e3 - 574. i)T^{2} \)
43 \( 1 + (34.4 - 28.9i)T + (321. - 1.82e3i)T^{2} \)
47 \( 1 + (-78.2 + 28.4i)T + (1.69e3 - 1.41e3i)T^{2} \)
53 \( 1 + (-3.39 + 4.04i)T + (-487. - 2.76e3i)T^{2} \)
59 \( 1 + (-35.4 + 97.3i)T + (-2.66e3 - 2.23e3i)T^{2} \)
61 \( 1 + (22.3 + 18.7i)T + (646. + 3.66e3i)T^{2} \)
67 \( 1 + (-22.5 - 62.0i)T + (-3.43e3 + 2.88e3i)T^{2} \)
71 \( 1 + (-27.8 - 33.2i)T + (-875. + 4.96e3i)T^{2} \)
73 \( 1 + (-9.20 - 52.1i)T + (-5.00e3 + 1.82e3i)T^{2} \)
79 \( 1 + (-147. + 26.0i)T + (5.86e3 - 2.13e3i)T^{2} \)
83 \( 1 + (-51.2 + 88.7i)T + (-3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 + (62.9 + 11.0i)T + (7.44e3 + 2.70e3i)T^{2} \)
97 \( 1 + (-0.285 + 0.784i)T + (-7.20e3 - 6.04e3i)T^{2} \)
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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

−14.44952043903756601917232066607, −13.17183175534205485005999784131, −12.39339911019286593627020898783, −11.59563099991925654771308281795, −9.904432767023276147754862543171, −9.369179587630288863187645002256, −7.43059752315182823387163048338, −5.27989976710883930163508806610, −3.51769391190645272022126571318, −2.16261767334825764169361479926, 3.66226997979550217683813267279, 5.23348618662287527584763624831, 6.85799364219773847079648535291, 7.60902838816269494259208831713, 9.074712733038645806053559019532, 10.41045202740282620522651515338, 12.33261987739764643606423014803, 13.74040132273895889986100241450, 14.13532537701901170611377232190, 15.17306169841697812930440172515

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