Properties

Label 2-1805-1.1-c3-0-304
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 $2$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3·2-s − 7·3-s + 4-s + 5·5-s + 21·6-s + 11·7-s + 21·8-s + 22·9-s − 15·10-s − 36·11-s − 7·12-s − 65·13-s − 33·14-s − 35·15-s − 71·16-s − 87·17-s − 66·18-s + 5·20-s − 77·21-s + 108·22-s − 129·23-s − 147·24-s + 25·25-s + 195·26-s + 35·27-s + 11·28-s − 231·29-s + ⋯
L(s)  = 1  − 1.06·2-s − 1.34·3-s + 1/8·4-s + 0.447·5-s + 1.42·6-s + 0.593·7-s + 0.928·8-s + 0.814·9-s − 0.474·10-s − 0.986·11-s − 0.168·12-s − 1.38·13-s − 0.629·14-s − 0.602·15-s − 1.10·16-s − 1.24·17-s − 0.864·18-s + 0.0559·20-s − 0.800·21-s + 1.04·22-s − 1.16·23-s − 1.25·24-s + 1/5·25-s + 1.47·26-s + 0.249·27-s + 0.0742·28-s − 1.47·29-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: \(2\)
Selberg data: \((2,\ 1805,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + 3 T + p^{3} T^{2} \)
3 \( 1 + 7 T + p^{3} T^{2} \)
7 \( 1 - 11 T + p^{3} T^{2} \)
11 \( 1 + 36 T + p^{3} T^{2} \)
13 \( 1 + 5 p T + p^{3} T^{2} \)
17 \( 1 + 87 T + p^{3} T^{2} \)
23 \( 1 + 129 T + p^{3} T^{2} \)
29 \( 1 + 231 T + p^{3} T^{2} \)
31 \( 1 + 110 T + p^{3} T^{2} \)
37 \( 1 - 142 T + p^{3} T^{2} \)
41 \( 1 - 330 T + p^{3} T^{2} \)
43 \( 1 - 74 T + p^{3} T^{2} \)
47 \( 1 + 336 T + p^{3} T^{2} \)
53 \( 1 + 501 T + p^{3} T^{2} \)
59 \( 1 + 633 T + p^{3} T^{2} \)
61 \( 1 + 88 T + p^{3} T^{2} \)
67 \( 1 + 119 T + p^{3} T^{2} \)
71 \( 1 - 204 T + p^{3} T^{2} \)
73 \( 1 - 407 T + p^{3} T^{2} \)
79 \( 1 + 1262 T + p^{3} T^{2} \)
83 \( 1 - 270 T + p^{3} T^{2} \)
89 \( 1 - 30 T + p^{3} T^{2} \)
97 \( 1 + 1406 T + p^{3} T^{2} \)
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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

−7.976104875040179980625670119065, −7.55570377165230706586541769789, −6.58205448509320717034944830437, −5.65524938186365926058594697249, −4.94166243505743151117467079197, −4.36142709963211582738873967710, −2.42934013961845190971299385390, −1.56824912642992177401339934454, 0, 0, 1.56824912642992177401339934454, 2.42934013961845190971299385390, 4.36142709963211582738873967710, 4.94166243505743151117467079197, 5.65524938186365926058594697249, 6.58205448509320717034944830437, 7.55570377165230706586541769789, 7.976104875040179980625670119065

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