Properties

Label 2-1805-1.1-c1-0-22
Degree $2$
Conductor $1805$
Sign $1$
Analytic cond. $14.4129$
Root an. cond. $3.79644$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.91·2-s + 1.67·3-s + 1.66·4-s + 5-s − 3.20·6-s − 4.22·7-s + 0.634·8-s − 0.204·9-s − 1.91·10-s + 2.92·11-s + 2.78·12-s − 2.06·13-s + 8.09·14-s + 1.67·15-s − 4.55·16-s + 3.59·17-s + 0.392·18-s + 1.66·20-s − 7.06·21-s − 5.60·22-s + 8.02·23-s + 1.06·24-s + 25-s + 3.95·26-s − 5.35·27-s − 7.05·28-s − 2.00·29-s + ⋯
L(s)  = 1  − 1.35·2-s + 0.965·3-s + 0.834·4-s + 0.447·5-s − 1.30·6-s − 1.59·7-s + 0.224·8-s − 0.0682·9-s − 0.605·10-s + 0.882·11-s + 0.805·12-s − 0.572·13-s + 2.16·14-s + 0.431·15-s − 1.13·16-s + 0.872·17-s + 0.0924·18-s + 0.373·20-s − 1.54·21-s − 1.19·22-s + 1.67·23-s + 0.216·24-s + 0.200·25-s + 0.775·26-s − 1.03·27-s − 1.33·28-s − 0.372·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1805\)    =    \(5 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(14.4129\)
Root analytic conductor: \(3.79644\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.012253731\)
\(L(\frac12)\) \(\approx\) \(1.012253731\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - T \)
19 \( 1 \)
good2 \( 1 + 1.91T + 2T^{2} \)
3 \( 1 - 1.67T + 3T^{2} \)
7 \( 1 + 4.22T + 7T^{2} \)
11 \( 1 - 2.92T + 11T^{2} \)
13 \( 1 + 2.06T + 13T^{2} \)
17 \( 1 - 3.59T + 17T^{2} \)
23 \( 1 - 8.02T + 23T^{2} \)
29 \( 1 + 2.00T + 29T^{2} \)
31 \( 1 + 8.46T + 31T^{2} \)
37 \( 1 + 2.20T + 37T^{2} \)
41 \( 1 - 9.76T + 41T^{2} \)
43 \( 1 - 10.5T + 43T^{2} \)
47 \( 1 - 3.58T + 47T^{2} \)
53 \( 1 - 3.24T + 53T^{2} \)
59 \( 1 + 2.08T + 59T^{2} \)
61 \( 1 + 4.93T + 61T^{2} \)
67 \( 1 - 10.1T + 67T^{2} \)
71 \( 1 + 2.85T + 71T^{2} \)
73 \( 1 - 1.82T + 73T^{2} \)
79 \( 1 - 12.7T + 79T^{2} \)
83 \( 1 - 17.2T + 83T^{2} \)
89 \( 1 + 2.46T + 89T^{2} \)
97 \( 1 - 18.0T + 97T^{2} \)
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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

−9.196221095016520164566696887387, −9.012953154018800946572841007127, −7.74719234608230993458586079728, −7.23442554737819071535742003136, −6.41205715161499321506287933617, −5.42586495296934550476033064461, −3.91586295408097486120073705242, −3.07032198797341454557828862010, −2.18044934582593107071487804451, −0.797043799253178322469111496397, 0.797043799253178322469111496397, 2.18044934582593107071487804451, 3.07032198797341454557828862010, 3.91586295408097486120073705242, 5.42586495296934550476033064461, 6.41205715161499321506287933617, 7.23442554737819071535742003136, 7.74719234608230993458586079728, 9.012953154018800946572841007127, 9.196221095016520164566696887387

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