Properties

Label 2-230-1.1-c3-0-8
Degree $2$
Conductor $230$
Sign $1$
Analytic cond. $13.5704$
Root an. cond. $3.68380$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 6.84·3-s + 4·4-s + 5·5-s − 13.6·6-s − 28.6·7-s − 8·8-s + 19.9·9-s − 10·10-s + 26.1·11-s + 27.3·12-s + 74.7·13-s + 57.2·14-s + 34.2·15-s + 16·16-s + 121.·17-s − 39.8·18-s − 6.41·19-s + 20·20-s − 195.·21-s − 52.2·22-s + 23·23-s − 54.7·24-s + 25·25-s − 149.·26-s − 48.5·27-s − 114.·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.31·3-s + 0.5·4-s + 0.447·5-s − 0.932·6-s − 1.54·7-s − 0.353·8-s + 0.737·9-s − 0.316·10-s + 0.716·11-s + 0.659·12-s + 1.59·13-s + 1.09·14-s + 0.589·15-s + 0.250·16-s + 1.73·17-s − 0.521·18-s − 0.0775·19-s + 0.223·20-s − 2.03·21-s − 0.506·22-s + 0.208·23-s − 0.466·24-s + 0.200·25-s − 1.12·26-s − 0.346·27-s − 0.772·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 230 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 230 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(230\)    =    \(2 \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(13.5704\)
Root analytic conductor: \(3.68380\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 230,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.080178000\)
\(L(\frac12)\) \(\approx\) \(2.080178000\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 2T \)
5 \( 1 - 5T \)
23 \( 1 - 23T \)
good3 \( 1 - 6.84T + 27T^{2} \)
7 \( 1 + 28.6T + 343T^{2} \)
11 \( 1 - 26.1T + 1.33e3T^{2} \)
13 \( 1 - 74.7T + 2.19e3T^{2} \)
17 \( 1 - 121.T + 4.91e3T^{2} \)
19 \( 1 + 6.41T + 6.85e3T^{2} \)
29 \( 1 - 281.T + 2.43e4T^{2} \)
31 \( 1 + 36.7T + 2.97e4T^{2} \)
37 \( 1 - 287.T + 5.06e4T^{2} \)
41 \( 1 + 435.T + 6.89e4T^{2} \)
43 \( 1 + 54.2T + 7.95e4T^{2} \)
47 \( 1 + 448.T + 1.03e5T^{2} \)
53 \( 1 - 488.T + 1.48e5T^{2} \)
59 \( 1 + 84.1T + 2.05e5T^{2} \)
61 \( 1 + 293.T + 2.26e5T^{2} \)
67 \( 1 - 282.T + 3.00e5T^{2} \)
71 \( 1 - 399.T + 3.57e5T^{2} \)
73 \( 1 + 870.T + 3.89e5T^{2} \)
79 \( 1 - 64.7T + 4.93e5T^{2} \)
83 \( 1 + 262.T + 5.71e5T^{2} \)
89 \( 1 + 1.22e3T + 7.04e5T^{2} \)
97 \( 1 - 995.T + 9.12e5T^{2} \)
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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

−11.75315893121473226174750436738, −10.26264198333893455563637506200, −9.691820733293265087394706184069, −8.856183241906944430418531394633, −8.141848119525796217840374533212, −6.78879163010938414608756163439, −5.97865185691510911930799936709, −3.60807349797765988781896815630, −2.94798691933596377241175459452, −1.23754612585730579670345808622, 1.23754612585730579670345808622, 2.94798691933596377241175459452, 3.60807349797765988781896815630, 5.97865185691510911930799936709, 6.78879163010938414608756163439, 8.141848119525796217840374533212, 8.856183241906944430418531394633, 9.691820733293265087394706184069, 10.26264198333893455563637506200, 11.75315893121473226174750436738

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