Properties

Label 2-3920-28.27-c1-0-32
Degree $2$
Conductor $3920$
Sign $0.409 - 0.912i$
Analytic cond. $31.3013$
Root an. cond. $5.59476$
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  − 3.17·3-s + i·5-s + 7.10·9-s + 1.11i·11-s + 3.17i·13-s − 3.17i·15-s + 6.37i·17-s + 8.30·19-s − 6.55i·23-s − 25-s − 13.0·27-s + 7.40·29-s + 1.53·31-s − 3.55i·33-s − 0.0147·37-s + ⋯
L(s)  = 1  − 1.83·3-s + 0.447i·5-s + 2.36·9-s + 0.336i·11-s + 0.881i·13-s − 0.820i·15-s + 1.54i·17-s + 1.90·19-s − 1.36i·23-s − 0.200·25-s − 2.51·27-s + 1.37·29-s + 0.276·31-s − 0.617i·33-s − 0.00243·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.409 - 0.912i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.409 - 0.912i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3920\)    =    \(2^{4} \cdot 5 \cdot 7^{2}\)
Sign: $0.409 - 0.912i$
Analytic conductor: \(31.3013\)
Root analytic conductor: \(5.59476\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{3920} (2351, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 3920,\ (\ :1/2),\ 0.409 - 0.912i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.039575138\)
\(L(\frac12)\) \(\approx\) \(1.039575138\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - iT \)
7 \( 1 \)
good3 \( 1 + 3.17T + 3T^{2} \)
11 \( 1 - 1.11iT - 11T^{2} \)
13 \( 1 - 3.17iT - 13T^{2} \)
17 \( 1 - 6.37iT - 17T^{2} \)
19 \( 1 - 8.30T + 19T^{2} \)
23 \( 1 + 6.55iT - 23T^{2} \)
29 \( 1 - 7.40T + 29T^{2} \)
31 \( 1 - 1.53T + 31T^{2} \)
37 \( 1 + 0.0147T + 37T^{2} \)
41 \( 1 - 1.89iT - 41T^{2} \)
43 \( 1 - 6.07iT - 43T^{2} \)
47 \( 1 - 1.68T + 47T^{2} \)
53 \( 1 - 9.65T + 53T^{2} \)
59 \( 1 + 5.50T + 59T^{2} \)
61 \( 1 - 8.26iT - 61T^{2} \)
67 \( 1 + 4.38iT - 67T^{2} \)
71 \( 1 + 14.8iT - 71T^{2} \)
73 \( 1 + 11.2iT - 73T^{2} \)
79 \( 1 + 6.29iT - 79T^{2} \)
83 \( 1 + 7.10T + 83T^{2} \)
89 \( 1 + 11.0iT - 89T^{2} \)
97 \( 1 + 15.3iT - 97T^{2} \)
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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

−8.584251747267803807181197970161, −7.55097638039987759183973327440, −6.96015005849013754408581295759, −6.19617917369598110198277844950, −5.91208210319444676148963883313, −4.73322144995122781236219883840, −4.45289793365027575602205443735, −3.25583396691470962854394042305, −1.85211254344958481526019937442, −0.857415588537072648385145607103, 0.63164158408516719211548398004, 1.16827711710905606482989486634, 2.84725665155424365872490554818, 3.91020688705622777664780800774, 5.00118647003951942271085869489, 5.34355280177353730257993879303, 5.80156319327346906344092701638, 6.92479529850654334418751967237, 7.30394490234587361202336455336, 8.182887875026858683413296267702

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