Properties

Label 2-1805-1.1-c3-0-58
Degree $2$
Conductor $1805$
Sign $1$
Analytic cond. $106.498$
Root an. cond. $10.3198$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5·2-s − 4·3-s + 17·4-s + 5·5-s + 20·6-s − 32·7-s − 45·8-s − 11·9-s − 25·10-s − 12·11-s − 68·12-s + 42·13-s + 160·14-s − 20·15-s + 89·16-s + 114·17-s + 55·18-s + 85·20-s + 128·21-s + 60·22-s + 160·23-s + 180·24-s + 25·25-s − 210·26-s + 152·27-s − 544·28-s − 214·29-s + ⋯
L(s)  = 1  − 1.76·2-s − 0.769·3-s + 17/8·4-s + 0.447·5-s + 1.36·6-s − 1.72·7-s − 1.98·8-s − 0.407·9-s − 0.790·10-s − 0.328·11-s − 1.63·12-s + 0.896·13-s + 3.05·14-s − 0.344·15-s + 1.39·16-s + 1.62·17-s + 0.720·18-s + 0.950·20-s + 1.33·21-s + 0.581·22-s + 1.45·23-s + 1.53·24-s + 1/5·25-s − 1.58·26-s + 1.08·27-s − 3.67·28-s − 1.37·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1805\)    =    \(5 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(106.498\)
Root analytic conductor: \(10.3198\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1805,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.4211109654\)
\(L(\frac12)\) \(\approx\) \(0.4211109654\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - p T \)
19 \( 1 \)
good2 \( 1 + 5 T + p^{3} T^{2} \)
3 \( 1 + 4 T + p^{3} T^{2} \)
7 \( 1 + 32 T + p^{3} T^{2} \)
11 \( 1 + 12 T + p^{3} T^{2} \)
13 \( 1 - 42 T + p^{3} T^{2} \)
17 \( 1 - 114 T + p^{3} T^{2} \)
23 \( 1 - 160 T + p^{3} T^{2} \)
29 \( 1 + 214 T + p^{3} T^{2} \)
31 \( 1 - 144 T + p^{3} T^{2} \)
37 \( 1 + 94 T + p^{3} T^{2} \)
41 \( 1 - 6 T + p^{3} T^{2} \)
43 \( 1 + 308 T + p^{3} T^{2} \)
47 \( 1 - 184 T + p^{3} T^{2} \)
53 \( 1 - 274 T + p^{3} T^{2} \)
59 \( 1 + 276 T + p^{3} T^{2} \)
61 \( 1 + 826 T + p^{3} T^{2} \)
67 \( 1 + 52 T + p^{3} T^{2} \)
71 \( 1 - 344 T + p^{3} T^{2} \)
73 \( 1 + 166 T + p^{3} T^{2} \)
79 \( 1 - 688 T + p^{3} T^{2} \)
83 \( 1 - 12 p T + p^{3} T^{2} \)
89 \( 1 + 1578 T + p^{3} T^{2} \)
97 \( 1 + 786 T + p^{3} T^{2} \)
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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

−9.152090677196926133792827999632, −8.306621272836001695634926346011, −7.36191885521070931948794726126, −6.60682794417736458502232480846, −6.04028987463467789232148086825, −5.34158654215574349926925012512, −3.40879592304262666344884897971, −2.76828599452867951232272590928, −1.29797326150678463510011530167, −0.45902853590718972909651517644, 0.45902853590718972909651517644, 1.29797326150678463510011530167, 2.76828599452867951232272590928, 3.40879592304262666344884897971, 5.34158654215574349926925012512, 6.04028987463467789232148086825, 6.60682794417736458502232480846, 7.36191885521070931948794726126, 8.306621272836001695634926346011, 9.152090677196926133792827999632

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