Properties

Label 2-1925-5.4-c1-0-86
Degree $2$
Conductor $1925$
Sign $0.894 + 0.447i$
Analytic cond. $15.3712$
Root an. cond. $3.92061$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.23i·2-s − 3.23i·3-s − 3.00·4-s − 7.23·6-s + i·7-s + 2.23i·8-s − 7.47·9-s − 11-s + 9.70i·12-s + 1.23i·13-s + 2.23·14-s − 0.999·16-s + 1.23i·17-s + 16.7i·18-s + 2.47·19-s + ⋯
L(s)  = 1  − 1.58i·2-s − 1.86i·3-s − 1.50·4-s − 2.95·6-s + 0.377i·7-s + 0.790i·8-s − 2.49·9-s − 0.301·11-s + 2.80i·12-s + 0.342i·13-s + 0.597·14-s − 0.249·16-s + 0.299i·17-s + 3.93i·18-s + 0.567·19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1925 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.894 + 0.447i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1925 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.894 + 0.447i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1925\)    =    \(5^{2} \cdot 7 \cdot 11\)
Sign: $0.894 + 0.447i$
Analytic conductor: \(15.3712\)
Root analytic conductor: \(3.92061\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1925} (1849, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(1\)
Selberg data: \((2,\ 1925,\ (\ :1/2),\ 0.894 + 0.447i)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
7 \( 1 - iT \)
11 \( 1 + T \)
good2 \( 1 + 2.23iT - 2T^{2} \)
3 \( 1 + 3.23iT - 3T^{2} \)
13 \( 1 - 1.23iT - 13T^{2} \)
17 \( 1 - 1.23iT - 17T^{2} \)
19 \( 1 - 2.47T + 19T^{2} \)
23 \( 1 - 6.47iT - 23T^{2} \)
29 \( 1 - 0.472T + 29T^{2} \)
31 \( 1 + 7.23T + 31T^{2} \)
37 \( 1 - 0.472iT - 37T^{2} \)
41 \( 1 + 6.76T + 41T^{2} \)
43 \( 1 + 8iT - 43T^{2} \)
47 \( 1 - 7.23iT - 47T^{2} \)
53 \( 1 + 8.47iT - 53T^{2} \)
59 \( 1 + 3.23T + 59T^{2} \)
61 \( 1 + 2.76T + 61T^{2} \)
67 \( 1 - 5.52iT - 67T^{2} \)
71 \( 1 + 1.52T + 71T^{2} \)
73 \( 1 - 5.23iT - 73T^{2} \)
79 \( 1 + 8.94T + 79T^{2} \)
83 \( 1 + 15.4iT - 83T^{2} \)
89 \( 1 + 2T + 89T^{2} \)
97 \( 1 + 9.41iT - 97T^{2} \)
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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

−8.517733662060441569167666292594, −7.56103458599808877805934280810, −6.96041686730827269709297753496, −5.92458493948271036092023642719, −5.14474789118311558517223263504, −3.65302736768024494399501728975, −2.86209934492742746852049379343, −1.93003945311510567224958492208, −1.36980812974648068287476140684, 0, 2.80975984627373197254422221681, 3.84029485397703723662128444184, 4.65483778642871763727819634016, 5.20464329098646842902802047754, 5.89833293066929782967808640342, 6.81613191846677392335290204561, 7.79460264439017556450710988088, 8.464907960158413596422878387958, 9.162343255595361909697953270094

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