Properties

Label 2-48-1.1-c17-0-15
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $87.9466$
Root an. cond. $9.37798$
Motivic weight $17$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6.56e3·3-s − 1.63e5·5-s + 2.08e7·7-s + 4.30e7·9-s − 8.17e8·11-s + 2.99e8·13-s − 1.07e9·15-s − 4.47e10·17-s − 7.87e10·19-s + 1.36e11·21-s + 7.04e11·23-s − 7.36e11·25-s + 2.82e11·27-s − 1.63e11·29-s − 1.04e12·31-s − 5.36e12·33-s − 3.40e12·35-s − 1.98e13·37-s + 1.96e12·39-s + 1.46e13·41-s − 1.16e14·43-s − 7.04e12·45-s + 1.76e14·47-s + 2.01e14·49-s − 2.93e14·51-s + 1.52e14·53-s + 1.33e14·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.187·5-s + 1.36·7-s + 1/3·9-s − 1.14·11-s + 0.101·13-s − 0.108·15-s − 1.55·17-s − 1.06·19-s + 0.789·21-s + 1.87·23-s − 0.964·25-s + 0.192·27-s − 0.0608·29-s − 0.221·31-s − 0.663·33-s − 0.255·35-s − 0.926·37-s + 0.0588·39-s + 0.286·41-s − 1.51·43-s − 0.0624·45-s + 1.08·47-s + 0.868·49-s − 0.898·51-s + 0.337·53-s + 0.215·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(18-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+17/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(87.9466\)
Root analytic conductor: \(9.37798\)
Motivic weight: \(17\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :17/2),\ -1)\)

Particular Values

\(L(9)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{19}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - p^{8} T \)
good5 \( 1 + 163554 T + p^{17} T^{2} \)
7 \( 1 - 425440 p^{2} T + p^{17} T^{2} \)
11 \( 1 + 817372356 T + p^{17} T^{2} \)
13 \( 1 - 23045366 p T + p^{17} T^{2} \)
17 \( 1 + 44775606078 T + p^{17} T^{2} \)
19 \( 1 + 78748651964 T + p^{17} T^{2} \)
23 \( 1 - 704672009160 T + p^{17} T^{2} \)
29 \( 1 + 163793785242 T + p^{17} T^{2} \)
31 \( 1 + 1049860831400 T + p^{17} T^{2} \)
37 \( 1 + 19805735857210 T + p^{17} T^{2} \)
41 \( 1 - 14660035932090 T + p^{17} T^{2} \)
43 \( 1 + 116038864682564 T + p^{17} T^{2} \)
47 \( 1 - 176606594594112 T + p^{17} T^{2} \)
53 \( 1 - 152863496635230 T + p^{17} T^{2} \)
59 \( 1 - 262797291296124 T + p^{17} T^{2} \)
61 \( 1 + 1358552281482562 T + p^{17} T^{2} \)
67 \( 1 + 444863620615292 T + p^{17} T^{2} \)
71 \( 1 - 4003270764790968 T + p^{17} T^{2} \)
73 \( 1 - 924832535317130 T + p^{17} T^{2} \)
79 \( 1 + 14747307742797080 T + p^{17} T^{2} \)
83 \( 1 + 26422963268810172 T + p^{17} T^{2} \)
89 \( 1 + 38883748080645126 T + p^{17} T^{2} \)
97 \( 1 + 25374394856250238 T + p^{17} T^{2} \)
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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

−11.32926339483617596510351985381, −10.57386163956959805240358692803, −8.891039716065014652243471957358, −8.133117985402264084110052831863, −6.99791215759542066567671013605, −5.20528760711523407858837732756, −4.23717398529690426936416787312, −2.62222131009178118346420869279, −1.63902272712204523903605356482, 0, 1.63902272712204523903605356482, 2.62222131009178118346420869279, 4.23717398529690426936416787312, 5.20528760711523407858837732756, 6.99791215759542066567671013605, 8.133117985402264084110052831863, 8.891039716065014652243471957358, 10.57386163956959805240358692803, 11.32926339483617596510351985381

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