Properties

Label 2-2646-9.4-c1-0-34
Degree $2$
Conductor $2646$
Sign $-0.880 + 0.474i$
Analytic cond. $21.1284$
Root an. cond. $4.59656$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.5 − 0.866i)2-s + (−0.499 + 0.866i)4-s + (0.794 − 1.37i)5-s + 0.999·8-s − 1.58·10-s + (−0.794 − 1.37i)11-s + (2.40 − 4.16i)13-s + (−0.5 − 0.866i)16-s − 5.39·17-s + 7.09·19-s + (0.794 + 1.37i)20-s + (−0.794 + 1.37i)22-s + (0.150 − 0.260i)23-s + (1.23 + 2.14i)25-s − 4.81·26-s + ⋯
L(s)  = 1  + (−0.353 − 0.612i)2-s + (−0.249 + 0.433i)4-s + (0.355 − 0.615i)5-s + 0.353·8-s − 0.502·10-s + (−0.239 − 0.414i)11-s + (0.667 − 1.15i)13-s + (−0.125 − 0.216i)16-s − 1.30·17-s + 1.62·19-s + (0.177 + 0.307i)20-s + (−0.169 + 0.293i)22-s + (0.0313 − 0.0542i)23-s + (0.247 + 0.429i)25-s − 0.943·26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.880 + 0.474i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.880 + 0.474i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2646\)    =    \(2 \cdot 3^{3} \cdot 7^{2}\)
Sign: $-0.880 + 0.474i$
Analytic conductor: \(21.1284\)
Root analytic conductor: \(4.59656\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2646} (1765, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2646,\ (\ :1/2),\ -0.880 + 0.474i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.226634444\)
\(L(\frac12)\) \(\approx\) \(1.226634444\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.5 + 0.866i)T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 + (-0.794 + 1.37i)T + (-2.5 - 4.33i)T^{2} \)
11 \( 1 + (0.794 + 1.37i)T + (-5.5 + 9.52i)T^{2} \)
13 \( 1 + (-2.40 + 4.16i)T + (-6.5 - 11.2i)T^{2} \)
17 \( 1 + 5.39T + 17T^{2} \)
19 \( 1 - 7.09T + 19T^{2} \)
23 \( 1 + (-0.150 + 0.260i)T + (-11.5 - 19.9i)T^{2} \)
29 \( 1 + (4.13 + 7.16i)T + (-14.5 + 25.1i)T^{2} \)
31 \( 1 + (-1.35 + 2.34i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + T + 37T^{2} \)
41 \( 1 + (2.93 - 5.08i)T + (-20.5 - 35.5i)T^{2} \)
43 \( 1 + (0.833 + 1.44i)T + (-21.5 + 37.2i)T^{2} \)
47 \( 1 + (-1.33 - 2.30i)T + (-23.5 + 40.7i)T^{2} \)
53 \( 1 - 4.88T + 53T^{2} \)
59 \( 1 + (-3.23 + 5.60i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (-2.23 - 3.87i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (-5.02 + 8.70i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + 12.7T + 71T^{2} \)
73 \( 1 + 16.0T + 73T^{2} \)
79 \( 1 + (4.19 + 7.26i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (1.18 + 2.04i)T + (-41.5 + 71.8i)T^{2} \)
89 \( 1 - 3.21T + 89T^{2} \)
97 \( 1 + (-0.712 - 1.23i)T + (-48.5 + 84.0i)T^{2} \)
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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

−8.659860429899435301987051758044, −7.983160672739477052158473703798, −7.23559328168670397275708195990, −6.04842432094200078885302060677, −5.42128417113061481168613899219, −4.53701529906230454888908028261, −3.50412620146750151712427142982, −2.69909173961159426220167696872, −1.51496702178083180627858624362, −0.47542491547167553996043021978, 1.38924468726173350089594343242, 2.43306836181327659181907478132, 3.60329275111425728005065141886, 4.59828607609191154346685054198, 5.43333167029189534807286912005, 6.28501774761302333190393786157, 7.07632752479937410754303635102, 7.29550786098049700999387531914, 8.707253014733453265134190359678, 8.892024902881026466642148914310

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