Properties

Label 2-1815-1.1-c1-0-23
Degree $2$
Conductor $1815$
Sign $1$
Analytic cond. $14.4928$
Root an. cond. $3.80694$
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  − 0.772·2-s + 3-s − 1.40·4-s + 5-s − 0.772·6-s + 1.62·7-s + 2.62·8-s + 9-s − 0.772·10-s − 1.40·12-s − 4.80·13-s − 1.25·14-s + 15-s + 0.772·16-s − 2.17·17-s − 0.772·18-s + 5.17·19-s − 1.40·20-s + 1.62·21-s + 4.62·23-s + 2.62·24-s + 25-s + 3.71·26-s + 27-s − 2.28·28-s − 2.45·29-s − 0.772·30-s + ⋯
L(s)  = 1  − 0.546·2-s + 0.577·3-s − 0.701·4-s + 0.447·5-s − 0.315·6-s + 0.616·7-s + 0.929·8-s + 0.333·9-s − 0.244·10-s − 0.404·12-s − 1.33·13-s − 0.336·14-s + 0.258·15-s + 0.193·16-s − 0.527·17-s − 0.182·18-s + 1.18·19-s − 0.313·20-s + 0.355·21-s + 0.965·23-s + 0.536·24-s + 0.200·25-s + 0.728·26-s + 0.192·27-s − 0.432·28-s − 0.455·29-s − 0.141·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1815\)    =    \(3 \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(14.4928\)
Root analytic conductor: \(3.80694\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1815,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.551098460\)
\(L(\frac12)\) \(\approx\) \(1.551098460\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
5 \( 1 - T \)
11 \( 1 \)
good2 \( 1 + 0.772T + 2T^{2} \)
7 \( 1 - 1.62T + 7T^{2} \)
13 \( 1 + 4.80T + 13T^{2} \)
17 \( 1 + 2.17T + 17T^{2} \)
19 \( 1 - 5.17T + 19T^{2} \)
23 \( 1 - 4.62T + 23T^{2} \)
29 \( 1 + 2.45T + 29T^{2} \)
31 \( 1 - 5.80T + 31T^{2} \)
37 \( 1 - 8.88T + 37T^{2} \)
41 \( 1 - 5.09T + 41T^{2} \)
43 \( 1 + 1.54T + 43T^{2} \)
47 \( 1 - 9.72T + 47T^{2} \)
53 \( 1 + 5.26T + 53T^{2} \)
59 \( 1 + 7.15T + 59T^{2} \)
61 \( 1 + 14.2T + 61T^{2} \)
67 \( 1 + 4.72T + 67T^{2} \)
71 \( 1 - 13.4T + 71T^{2} \)
73 \( 1 + 1.17T + 73T^{2} \)
79 \( 1 - 4.89T + 79T^{2} \)
83 \( 1 + 4T + 83T^{2} \)
89 \( 1 - 11.5T + 89T^{2} \)
97 \( 1 - 4.72T + 97T^{2} \)
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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

−9.385057483733456711529088363270, −8.613617086914132581731130873398, −7.64567541403390110697011726259, −7.40452439086391821040392787310, −6.05649699975906286599709467032, −4.86364877590769821777102640765, −4.60313745511980984402685975464, −3.19192704479617888795970635275, −2.14942376985784947632609425073, −0.941858972653989298969166853147, 0.941858972653989298969166853147, 2.14942376985784947632609425073, 3.19192704479617888795970635275, 4.60313745511980984402685975464, 4.86364877590769821777102640765, 6.05649699975906286599709467032, 7.40452439086391821040392787310, 7.64567541403390110697011726259, 8.613617086914132581731130873398, 9.385057483733456711529088363270

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