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Properties

Label 2-42e2-21.2-c2-0-8
Degree $2$
Conductor $1764$
Sign $-0.287 - 0.957i$
Analytic cond. $48.0655$
Root an. cond. $6.93293$
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  + (8.27 + 4.77i)5-s + (−8.03 + 4.63i)11-s − 4.24·13-s + (−13.4 + 7.77i)17-s + (17.4 − 30.2i)19-s + (−15.3 − 8.87i)23-s + (33.1 + 57.4i)25-s + 26.2i·29-s + (16.0 + 27.7i)31-s + (−27.6 + 47.9i)37-s + 38.4i·41-s + 29.3·43-s + (59.0 + 34.1i)47-s + (0.943 − 0.544i)53-s − 88.6·55-s + ⋯
L(s)  = 1  + (1.65 + 0.955i)5-s + (−0.730 + 0.421i)11-s − 0.326·13-s + (−0.792 + 0.457i)17-s + (0.918 − 1.59i)19-s + (−0.668 − 0.386i)23-s + (1.32 + 2.29i)25-s + 0.904i·29-s + (0.517 + 0.895i)31-s + (−0.747 + 1.29i)37-s + 0.937i·41-s + 0.682·43-s + (1.25 + 0.725i)47-s + (0.0177 − 0.0102i)53-s − 1.61·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1764 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.287 - 0.957i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1764 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.287 - 0.957i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1764\)    =    \(2^{2} \cdot 3^{2} \cdot 7^{2}\)
Sign: $-0.287 - 0.957i$
Analytic conductor: \(48.0655\)
Root analytic conductor: \(6.93293\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1764} (1745, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1764,\ (\ :1),\ -0.287 - 0.957i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.180239831\)
\(L(\frac12)\) \(\approx\) \(2.180239831\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 + (-8.27 - 4.77i)T + (12.5 + 21.6i)T^{2} \)
11 \( 1 + (8.03 - 4.63i)T + (60.5 - 104. i)T^{2} \)
13 \( 1 + 4.24T + 169T^{2} \)
17 \( 1 + (13.4 - 7.77i)T + (144.5 - 250. i)T^{2} \)
19 \( 1 + (-17.4 + 30.2i)T + (-180.5 - 312. i)T^{2} \)
23 \( 1 + (15.3 + 8.87i)T + (264.5 + 458. i)T^{2} \)
29 \( 1 - 26.2iT - 841T^{2} \)
31 \( 1 + (-16.0 - 27.7i)T + (-480.5 + 832. i)T^{2} \)
37 \( 1 + (27.6 - 47.9i)T + (-684.5 - 1.18e3i)T^{2} \)
41 \( 1 - 38.4iT - 1.68e3T^{2} \)
43 \( 1 - 29.3T + 1.84e3T^{2} \)
47 \( 1 + (-59.0 - 34.1i)T + (1.10e3 + 1.91e3i)T^{2} \)
53 \( 1 + (-0.943 + 0.544i)T + (1.40e3 - 2.43e3i)T^{2} \)
59 \( 1 + (59.0 - 34.1i)T + (1.74e3 - 3.01e3i)T^{2} \)
61 \( 1 + (23.8 - 41.2i)T + (-1.86e3 - 3.22e3i)T^{2} \)
67 \( 1 + (-4.32 - 7.49i)T + (-2.24e3 + 3.88e3i)T^{2} \)
71 \( 1 - 95.7iT - 5.04e3T^{2} \)
73 \( 1 + (45.0 + 77.9i)T + (-2.66e3 + 4.61e3i)T^{2} \)
79 \( 1 + (-74.3 + 128. i)T + (-3.12e3 - 5.40e3i)T^{2} \)
83 \( 1 - 88.8iT - 6.88e3T^{2} \)
89 \( 1 + (66.0 + 38.1i)T + (3.96e3 + 6.85e3i)T^{2} \)
97 \( 1 - 12.7T + 9.40e3T^{2} \)
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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

−9.372638304448631661113889386640, −8.827011103132074200552117939287, −7.55126912617173591691249528163, −6.84357752790276738145159304041, −6.25090074284236535854227194305, −5.31967633393921378304026531522, −4.63936602547014999841697885132, −2.97976759792565333311212207998, −2.53777019198392441383956673983, −1.43919263872232689591407476828, 0.52897277688496624073042839894, 1.81804845513365472230401879560, 2.49991490735320155665558272049, 3.93292608923246562148460556741, 5.01184250107468259127072968127, 5.70287858561881108394284084545, 6.09813733667424461505991300551, 7.38543997770582924154714557998, 8.192313200601932809848047390673, 9.027276150236173365573408211211

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