Properties

Label 2-48-1.1-c15-0-8
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $68.4928$
Root an. cond. $8.27604$
Motivic weight $15$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.18e3·3-s − 2.21e5·5-s + 2.14e6·7-s + 4.78e6·9-s − 3.71e7·11-s − 2.79e8·13-s + 4.84e8·15-s + 2.49e9·17-s + 4.66e9·19-s − 4.69e9·21-s + 1.84e10·23-s + 1.85e10·25-s − 1.04e10·27-s − 1.15e11·29-s + 5.61e10·31-s + 8.12e10·33-s − 4.75e11·35-s + 6.14e11·37-s + 6.12e11·39-s + 5.49e11·41-s + 9.82e11·43-s − 1.05e12·45-s − 2.07e12·47-s − 1.29e11·49-s − 5.45e12·51-s − 1.20e13·53-s + 8.23e12·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.26·5-s + 0.986·7-s + 1/3·9-s − 0.575·11-s − 1.23·13-s + 0.732·15-s + 1.47·17-s + 1.19·19-s − 0.569·21-s + 1.13·23-s + 0.607·25-s − 0.192·27-s − 1.24·29-s + 0.366·31-s + 0.332·33-s − 1.25·35-s + 1.06·37-s + 0.714·39-s + 0.440·41-s + 0.551·43-s − 0.422·45-s − 0.597·47-s − 0.0272·49-s − 0.850·51-s − 1.40·53-s + 0.729·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(68.4928\)
Root analytic conductor: \(8.27604\)
Motivic weight: \(15\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :15/2),\ -1)\)

Particular Values

\(L(8)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{17}{2})\) 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 \( 1 + p^{7} T \)
good5 \( 1 + 44298 p T + p^{15} T^{2} \)
7 \( 1 - 307000 p T + p^{15} T^{2} \)
11 \( 1 + 37169316 T + p^{15} T^{2} \)
13 \( 1 + 21536482 p T + p^{15} T^{2} \)
17 \( 1 - 2492912754 T + p^{15} T^{2} \)
19 \( 1 - 4669782244 T + p^{15} T^{2} \)
23 \( 1 - 18467933400 T + p^{15} T^{2} \)
29 \( 1 + 115953449418 T + p^{15} T^{2} \)
31 \( 1 - 56187023200 T + p^{15} T^{2} \)
37 \( 1 - 614764926830 T + p^{15} T^{2} \)
41 \( 1 - 549859792410 T + p^{15} T^{2} \)
43 \( 1 - 982884444028 T + p^{15} T^{2} \)
47 \( 1 + 2076144322896 T + p^{15} T^{2} \)
53 \( 1 + 12048378188130 T + p^{15} T^{2} \)
59 \( 1 + 23087905758324 T + p^{15} T^{2} \)
61 \( 1 + 8505809142442 T + p^{15} T^{2} \)
67 \( 1 - 12331010771476 T + p^{15} T^{2} \)
71 \( 1 + 58989192692472 T + p^{15} T^{2} \)
73 \( 1 + 5609828808070 T + p^{15} T^{2} \)
79 \( 1 + 159918683826800 T + p^{15} T^{2} \)
83 \( 1 + 57675894342876 T + p^{15} T^{2} \)
89 \( 1 + 362287610413974 T + p^{15} T^{2} \)
97 \( 1 + 539786645144926 T + p^{15} T^{2} \)
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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

−11.76640318987411981125305880103, −11.05136959786273537483944931887, −9.647937253390338741150110056164, −7.82132118894746928648970407893, −7.46409228671406316292639810505, −5.42844263556466885156487243162, −4.55652243411449712015572482681, −3.06558229832775082467873643208, −1.21362746662839115058051787843, 0, 1.21362746662839115058051787843, 3.06558229832775082467873643208, 4.55652243411449712015572482681, 5.42844263556466885156487243162, 7.46409228671406316292639810505, 7.82132118894746928648970407893, 9.647937253390338741150110056164, 11.05136959786273537483944931887, 11.76640318987411981125305880103

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