Properties

Label 2-805-1.1-c1-0-40
Degree $2$
Conductor $805$
Sign $-1$
Analytic cond. $6.42795$
Root an. cond. $2.53534$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.26·2-s − 0.320·3-s − 0.404·4-s + 5-s − 0.404·6-s + 7-s − 3.03·8-s − 2.89·9-s + 1.26·10-s − 5.62·11-s + 0.129·12-s − 6.38·13-s + 1.26·14-s − 0.320·15-s − 3.02·16-s − 1.45·17-s − 3.65·18-s + 8.36·19-s − 0.404·20-s − 0.320·21-s − 7.10·22-s − 23-s + 0.973·24-s + 25-s − 8.06·26-s + 1.88·27-s − 0.404·28-s + ⋯
L(s)  = 1  + 0.893·2-s − 0.184·3-s − 0.202·4-s + 0.447·5-s − 0.165·6-s + 0.377·7-s − 1.07·8-s − 0.965·9-s + 0.399·10-s − 1.69·11-s + 0.0374·12-s − 1.77·13-s + 0.337·14-s − 0.0827·15-s − 0.756·16-s − 0.352·17-s − 0.862·18-s + 1.91·19-s − 0.0904·20-s − 0.0699·21-s − 1.51·22-s − 0.208·23-s + 0.198·24-s + 0.200·25-s − 1.58·26-s + 0.363·27-s − 0.0764·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(805\)    =    \(5 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(6.42795\)
Root analytic conductor: \(2.53534\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 805,\ (\ :1/2),\ -1)\)

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 \( 1 - T \)
7 \( 1 - T \)
23 \( 1 + T \)
good2 \( 1 - 1.26T + 2T^{2} \)
3 \( 1 + 0.320T + 3T^{2} \)
11 \( 1 + 5.62T + 11T^{2} \)
13 \( 1 + 6.38T + 13T^{2} \)
17 \( 1 + 1.45T + 17T^{2} \)
19 \( 1 - 8.36T + 19T^{2} \)
29 \( 1 + 2.94T + 29T^{2} \)
31 \( 1 - 0.597T + 31T^{2} \)
37 \( 1 + 0.962T + 37T^{2} \)
41 \( 1 + 10.1T + 41T^{2} \)
43 \( 1 - 6.05T + 43T^{2} \)
47 \( 1 + 3.46T + 47T^{2} \)
53 \( 1 - 11.3T + 53T^{2} \)
59 \( 1 + 14.5T + 59T^{2} \)
61 \( 1 - 0.178T + 61T^{2} \)
67 \( 1 + 9.63T + 67T^{2} \)
71 \( 1 + 1.23T + 71T^{2} \)
73 \( 1 + 4.30T + 73T^{2} \)
79 \( 1 - 0.418T + 79T^{2} \)
83 \( 1 - 3.61T + 83T^{2} \)
89 \( 1 - 8.01T + 89T^{2} \)
97 \( 1 - 8.51T + 97T^{2} \)
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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

−9.854671440978874401669160382234, −9.096128850933385421722834862587, −8.017464240628278772457039789730, −7.23733328558543487739656386054, −5.82782598428304021332891390373, −5.22853292748432639338332230908, −4.79549537815711170169793759101, −3.16559970076524687777731067940, −2.45101217815759664172286744793, 0, 2.45101217815759664172286744793, 3.16559970076524687777731067940, 4.79549537815711170169793759101, 5.22853292748432639338332230908, 5.82782598428304021332891390373, 7.23733328558543487739656386054, 8.017464240628278772457039789730, 9.096128850933385421722834862587, 9.854671440978874401669160382234

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