Properties

Label 2-287-287.286-c2-0-44
Degree $2$
Conductor $287$
Sign $1$
Analytic cond. $7.82018$
Root an. cond. $2.79645$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.88·2-s + 1.79·3-s + 11.0·4-s + 6.96·6-s − 7·7-s + 27.5·8-s − 5.78·9-s + 19.8·12-s + 0.743·13-s − 27.1·14-s + 62.5·16-s + 30.1·17-s − 22.4·18-s − 37.2·19-s − 12.5·21-s − 40.5·23-s + 49.3·24-s + 25·25-s + 2.88·26-s − 26.5·27-s − 77.5·28-s + 132.·32-s + 117.·34-s − 64.0·36-s − 61.3·37-s − 144.·38-s + 1.33·39-s + ⋯
L(s)  = 1  + 1.94·2-s + 0.598·3-s + 2.77·4-s + 1.16·6-s − 7-s + 3.43·8-s − 0.642·9-s + 1.65·12-s + 0.0571·13-s − 1.94·14-s + 3.90·16-s + 1.77·17-s − 1.24·18-s − 1.96·19-s − 0.598·21-s − 1.76·23-s + 2.05·24-s + 25-s + 0.111·26-s − 0.982·27-s − 2.77·28-s + 4.14·32-s + 3.44·34-s − 1.77·36-s − 1.65·37-s − 3.80·38-s + 0.0341·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(287\)    =    \(7 \cdot 41\)
Sign: $1$
Analytic conductor: \(7.82018\)
Root analytic conductor: \(2.79645\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{287} (286, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 287,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(5.432205367\)
\(L(\frac12)\) \(\approx\) \(5.432205367\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + 7T \)
41 \( 1 - 41T \)
good2 \( 1 - 3.88T + 4T^{2} \)
3 \( 1 - 1.79T + 9T^{2} \)
5 \( 1 - 25T^{2} \)
11 \( 1 - 121T^{2} \)
13 \( 1 - 0.743T + 169T^{2} \)
17 \( 1 - 30.1T + 289T^{2} \)
19 \( 1 + 37.2T + 361T^{2} \)
23 \( 1 + 40.5T + 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 - 961T^{2} \)
37 \( 1 + 61.3T + 1.36e3T^{2} \)
43 \( 1 + 8.84T + 1.84e3T^{2} \)
47 \( 1 - 93.9T + 2.20e3T^{2} \)
53 \( 1 - 2.80e3T^{2} \)
59 \( 1 - 3.48e3T^{2} \)
61 \( 1 - 3.72e3T^{2} \)
67 \( 1 - 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 - 5.32e3T^{2} \)
79 \( 1 - 6.24e3T^{2} \)
83 \( 1 - 6.88e3T^{2} \)
89 \( 1 + 36.2T + 7.92e3T^{2} \)
97 \( 1 + 13.3T + 9.40e3T^{2} \)
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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

−12.30302870004808925789287957158, −10.87779166020914461192141186666, −10.07740734837812492444443154499, −8.499645163769269645646988349978, −7.35002207173593457593003084242, −6.23057042167963980393176644974, −5.60077882017353762638357039311, −4.10207606168342537845641808861, −3.29425159204719963136178765038, −2.27525055906270898754169847478, 2.27525055906270898754169847478, 3.29425159204719963136178765038, 4.10207606168342537845641808861, 5.60077882017353762638357039311, 6.23057042167963980393176644974, 7.35002207173593457593003084242, 8.499645163769269645646988349978, 10.07740734837812492444443154499, 10.87779166020914461192141186666, 12.30302870004808925789287957158

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