Properties

Label 2-3087-21.20-c1-0-61
Degree $2$
Conductor $3087$
Sign $-0.577 + 0.816i$
Analytic cond. $24.6498$
Root an. cond. $4.96485$
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  − 1.06i·2-s + 0.867·4-s − 3.23·5-s − 3.05i·8-s + 3.44i·10-s − 0.699i·11-s + 2.71i·13-s − 1.51·16-s + 6.50·17-s − 0.581i·19-s − 2.80·20-s − 0.744·22-s − 0.742i·23-s + 5.47·25-s + 2.89·26-s + ⋯
L(s)  = 1  − 0.752i·2-s + 0.433·4-s − 1.44·5-s − 1.07i·8-s + 1.08i·10-s − 0.210i·11-s + 0.754i·13-s − 0.377·16-s + 1.57·17-s − 0.133i·19-s − 0.628·20-s − 0.158·22-s − 0.154i·23-s + 1.09·25-s + 0.567·26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3087 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.577 + 0.816i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3087 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.577 + 0.816i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3087\)    =    \(3^{2} \cdot 7^{3}\)
Sign: $-0.577 + 0.816i$
Analytic conductor: \(24.6498\)
Root analytic conductor: \(4.96485\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{3087} (3086, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 3087,\ (\ :1/2),\ -0.577 + 0.816i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.448373114\)
\(L(\frac12)\) \(\approx\) \(1.448373114\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 \)
good2 \( 1 + 1.06iT - 2T^{2} \)
5 \( 1 + 3.23T + 5T^{2} \)
11 \( 1 + 0.699iT - 11T^{2} \)
13 \( 1 - 2.71iT - 13T^{2} \)
17 \( 1 - 6.50T + 17T^{2} \)
19 \( 1 + 0.581iT - 19T^{2} \)
23 \( 1 + 0.742iT - 23T^{2} \)
29 \( 1 + 6.65iT - 29T^{2} \)
31 \( 1 - 8.87iT - 31T^{2} \)
37 \( 1 - 1.66T + 37T^{2} \)
41 \( 1 - 3.71T + 41T^{2} \)
43 \( 1 + 5.59T + 43T^{2} \)
47 \( 1 - 2.32T + 47T^{2} \)
53 \( 1 + 6.07iT - 53T^{2} \)
59 \( 1 - 0.355T + 59T^{2} \)
61 \( 1 + 11.7iT - 61T^{2} \)
67 \( 1 - 15.4T + 67T^{2} \)
71 \( 1 + 8.84iT - 71T^{2} \)
73 \( 1 + 14.2iT - 73T^{2} \)
79 \( 1 + 0.775T + 79T^{2} \)
83 \( 1 + 16.5T + 83T^{2} \)
89 \( 1 + 3.83T + 89T^{2} \)
97 \( 1 - 10.4iT - 97T^{2} \)
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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

−8.269715645629554930224881891750, −7.78702234125892269492936643284, −7.00949426117335648382433400018, −6.36149433601974153413254628004, −5.20983837835203280148252309417, −4.20160191633382044862793172498, −3.56080480230450501494689937631, −2.90809230639854717527181015188, −1.66224125619691727880430950328, −0.52264593048983123857511235511, 1.08742005246492141049734473268, 2.63209534026759126139199295924, 3.45855822489214145624194960761, 4.30057598200103980016131580038, 5.38914523277494050636455293612, 5.85167966320722700101799567238, 7.06493714109911788174179245096, 7.38160575423468300269138371388, 8.106722587099959010306592003079, 8.453384052561917265593767802602

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