Properties

Label 7581.2.a.bt
Level $7581$
Weight $2$
Character orbit 7581.a
Self dual yes
Analytic conductor $60.535$
Analytic rank $0$
Dimension $18$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [7581,2,Mod(1,7581)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7581, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("7581.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 7581 = 3 \cdot 7 \cdot 19^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 7581.a (trivial)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(60.5345897723\)
Analytic rank: \(0\)
Dimension: \(18\)
Coefficient field: \(\mathbb{Q}[x]/(x^{18} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{18} - 30 x^{16} - x^{15} + 372 x^{14} + 27 x^{13} - 2464 x^{12} - 276 x^{11} + 9402 x^{10} + \cdots - 73 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 399)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{17}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{2} + q^{3} + (\beta_{2} + 1) q^{4} + (\beta_{9} + 1) q^{5} + \beta_1 q^{6} + q^{7} + (\beta_{3} + \beta_1) q^{8} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{2} + q^{3} + (\beta_{2} + 1) q^{4} + (\beta_{9} + 1) q^{5} + \beta_1 q^{6} + q^{7} + (\beta_{3} + \beta_1) q^{8} + q^{9} + (\beta_{16} + \beta_{15} + \beta_{14} + \cdots - 1) q^{10}+ \cdots + (\beta_{5} + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 18 q + 18 q^{3} + 24 q^{4} + 12 q^{5} + 18 q^{7} + 3 q^{8} + 18 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 18 q + 18 q^{3} + 24 q^{4} + 12 q^{5} + 18 q^{7} + 3 q^{8} + 18 q^{9} - 6 q^{10} + 18 q^{11} + 24 q^{12} + 9 q^{13} + 12 q^{15} + 24 q^{16} + 18 q^{17} + 36 q^{20} + 18 q^{21} - 9 q^{22} + 6 q^{23} + 3 q^{24} + 36 q^{25} + 27 q^{26} + 18 q^{27} + 24 q^{28} + 3 q^{29} - 6 q^{30} + 6 q^{31} - 9 q^{32} + 18 q^{33} - 15 q^{34} + 12 q^{35} + 24 q^{36} + 36 q^{37} + 9 q^{39} - 18 q^{40} - 21 q^{41} + 27 q^{43} + 42 q^{44} + 12 q^{45} + 54 q^{46} + 27 q^{47} + 24 q^{48} + 18 q^{49} - 12 q^{50} + 18 q^{51} - 3 q^{52} - 21 q^{53} + 45 q^{55} + 3 q^{56} - 9 q^{58} - 15 q^{59} + 36 q^{60} + 51 q^{61} + 15 q^{62} + 18 q^{63} + 3 q^{64} + 24 q^{65} - 9 q^{66} + 24 q^{67} + 12 q^{68} + 6 q^{69} - 6 q^{70} - 24 q^{71} + 3 q^{72} + 9 q^{73} + 15 q^{74} + 36 q^{75} + 18 q^{77} + 27 q^{78} + 30 q^{79} + 102 q^{80} + 18 q^{81} + 33 q^{82} + 48 q^{83} + 24 q^{84} - 27 q^{85} - 78 q^{86} + 3 q^{87} - 24 q^{88} + 15 q^{89} - 6 q^{90} + 9 q^{91} - 54 q^{92} + 6 q^{93} + 21 q^{94} - 9 q^{96} + 3 q^{97} + 18 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{18} - 30 x^{16} - x^{15} + 372 x^{14} + 27 x^{13} - 2464 x^{12} - 276 x^{11} + 9402 x^{10} + \cdots - 73 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - 3 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} - 5\nu \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 21082 \nu^{17} + 895597 \nu^{16} - 198070 \nu^{15} - 26519371 \nu^{14} + 13343331 \nu^{13} + \cdots + 131029873 ) / 10631878 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 73770 \nu^{17} - 229885 \nu^{16} + 2975775 \nu^{15} + 6062098 \nu^{14} - 45853139 \nu^{13} + \cdots + 42206054 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 121846 \nu^{17} + 1026809 \nu^{16} - 3700143 \nu^{15} - 29317769 \nu^{14} + 47090291 \nu^{13} + \cdots + 70641825 ) / 10631878 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 322745 \nu^{17} - 883328 \nu^{16} - 9035895 \nu^{15} + 25269891 \nu^{14} + 102571089 \nu^{13} + \cdots - 106956766 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 465048 \nu^{17} - 206149 \nu^{16} + 13279125 \nu^{15} + 5954208 \nu^{14} - 154847379 \nu^{13} + \cdots - 41498894 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 498578 \nu^{17} - 807750 \nu^{16} - 15109441 \nu^{15} + 20826079 \nu^{14} + 189739036 \nu^{13} + \cdots + 122424649 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 568478 \nu^{17} + 465048 \nu^{16} - 16848191 \nu^{15} - 13847603 \nu^{14} + 205519608 \nu^{13} + \cdots + 104868207 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 313682 \nu^{17} + 211500 \nu^{16} - 9415057 \nu^{15} - 5734413 \nu^{14} + 116223708 \nu^{13} + \cdots + 29692336 ) / 10631878 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 883328 \nu^{17} + 646455 \nu^{16} + 25592636 \nu^{15} - 17490051 \nu^{14} - 302723301 \nu^{13} + \cdots + 23560385 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 965288 \nu^{17} + 2129159 \nu^{16} + 27106627 \nu^{15} - 59986280 \nu^{14} - 307135869 \nu^{13} + \cdots + 282231500 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 1081005 \nu^{17} - 1575433 \nu^{16} + 32741902 \nu^{15} + 46836591 \nu^{14} - 409370306 \nu^{13} + \cdots - 218132860 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 1499285 \nu^{17} - 722829 \nu^{16} + 45055413 \nu^{15} + 23392332 \nu^{14} - 557246228 \nu^{13} + \cdots - 280656117 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{16}\)\(=\) \( ( 1821065 \nu^{17} - 1019951 \nu^{16} - 53789719 \nu^{15} + 26542626 \nu^{14} + 652916130 \nu^{13} + \cdots + 24268763 ) / 21263756 \) Copy content Toggle raw display
\(\beta_{17}\)\(=\) \( ( 924030 \nu^{17} - 153548 \nu^{16} - 27091815 \nu^{15} + 3252887 \nu^{14} + 325631992 \nu^{13} + \cdots + 163024770 ) / 10631878 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} + 5\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{15} + \beta_{14} + \beta_{12} - \beta_{8} + 7\beta_{2} + 15 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{17} + \beta_{15} - \beta_{11} + \beta_{10} + 2\beta_{8} + \beta_{7} + \beta_{6} - \beta_{5} + 8\beta_{3} + 28\beta_1 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( - \beta_{17} - 11 \beta_{15} + 11 \beta_{14} - \beta_{13} + 12 \beta_{12} + \beta_{11} - 2 \beta_{10} + \cdots + 85 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 13 \beta_{17} + 14 \beta_{15} - \beta_{14} - \beta_{13} + \beta_{12} - 12 \beta_{11} + 15 \beta_{10} + \cdots - 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( - 15 \beta_{17} - 3 \beta_{16} - 97 \beta_{15} + 94 \beta_{14} - 12 \beta_{13} + 105 \beta_{12} + \cdots + 510 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 124 \beta_{17} + 5 \beta_{16} + 145 \beta_{15} - 19 \beta_{14} - 16 \beta_{13} + 18 \beta_{12} + \cdots - 63 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( - 164 \beta_{17} - 55 \beta_{16} - 794 \beta_{15} + 739 \beta_{14} - 103 \beta_{13} + 819 \beta_{12} + \cdots + 3174 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( 1059 \beta_{17} + 99 \beta_{16} + 1339 \beta_{15} - 248 \beta_{14} - 175 \beta_{13} + 201 \beta_{12} + \cdots - 695 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( - 1579 \beta_{17} - 668 \beta_{16} - 6281 \beta_{15} + 5611 \beta_{14} - 775 \beta_{13} + 6050 \beta_{12} + \cdots + 20319 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( 8593 \beta_{17} + 1282 \beta_{16} + 11652 \beta_{15} - 2721 \beta_{14} - 1631 \beta_{13} + 1817 \beta_{12} + \cdots - 6682 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( - 14183 \beta_{17} - 6789 \beta_{16} - 48804 \beta_{15} + 41947 \beta_{14} - 5430 \beta_{13} + \cdots + 133160 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( 67869 \beta_{17} + 13771 \beta_{16} + 97802 \beta_{15} - 26961 \beta_{14} - 13952 \beta_{13} + \cdots - 60025 \) Copy content Toggle raw display
\(\nu^{16}\)\(=\) \( - 121945 \beta_{17} - 62619 \beta_{16} - 375476 \beta_{15} + 311527 \beta_{14} - 36256 \beta_{13} + \cdots + 890244 \) Copy content Toggle raw display
\(\nu^{17}\)\(=\) \( 527909 \beta_{17} + 133293 \beta_{16} + 801422 \beta_{15} - 250083 \beta_{14} - 113350 \beta_{13} + \cdots - 518709 \) Copy content Toggle raw display

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−2.76457
−2.45063
−2.22586
−2.15017
−1.57330
−1.28240
−1.13000
−1.03221
−0.0727208
0.377366
0.433645
1.04079
1.11167
2.09089
2.18259
2.30937
2.54287
2.59268
−2.76457 1.00000 5.64283 3.51734 −2.76457 1.00000 −10.0708 1.00000 −9.72391
1.2 −2.45063 1.00000 4.00561 1.33799 −2.45063 1.00000 −4.91500 1.00000 −3.27892
1.3 −2.22586 1.00000 2.95447 −3.44173 −2.22586 1.00000 −2.12453 1.00000 7.66082
1.4 −2.15017 1.00000 2.62321 4.25014 −2.15017 1.00000 −1.34001 1.00000 −9.13851
1.5 −1.57330 1.00000 0.475274 0.685193 −1.57330 1.00000 2.39885 1.00000 −1.07801
1.6 −1.28240 1.00000 −0.355439 0.804877 −1.28240 1.00000 3.02063 1.00000 −1.03218
1.7 −1.13000 1.00000 −0.723093 −1.31627 −1.13000 1.00000 3.07710 1.00000 1.48740
1.8 −1.03221 1.00000 −0.934545 −0.923018 −1.03221 1.00000 3.02906 1.00000 0.952747
1.9 −0.0727208 1.00000 −1.99471 3.77274 −0.0727208 1.00000 0.290499 1.00000 −0.274357
1.10 0.377366 1.00000 −1.85760 2.38028 0.377366 1.00000 −1.45572 1.00000 0.898235
1.11 0.433645 1.00000 −1.81195 −2.25399 0.433645 1.00000 −1.65303 1.00000 −0.977433
1.12 1.04079 1.00000 −0.916763 −3.39936 1.04079 1.00000 −3.03573 1.00000 −3.53801
1.13 1.11167 1.00000 −0.764196 3.59094 1.11167 1.00000 −3.07287 1.00000 3.99193
1.14 2.09089 1.00000 2.37184 −2.28283 2.09089 1.00000 0.777479 1.00000 −4.77315
1.15 2.18259 1.00000 2.76369 3.28475 2.18259 1.00000 1.66682 1.00000 7.16926
1.16 2.30937 1.00000 3.33319 −1.90652 2.30937 1.00000 3.07882 1.00000 −4.40287
1.17 2.54287 1.00000 4.46619 1.06712 2.54287 1.00000 6.27120 1.00000 2.71354
1.18 2.59268 1.00000 4.72200 2.83236 2.59268 1.00000 7.05728 1.00000 7.34341
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.18
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(-1\)
\(7\) \(-1\)
\(19\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 7581.2.a.bt 18
19.b odd 2 1 7581.2.a.br 18
19.f odd 18 2 399.2.bo.d 36
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
399.2.bo.d 36 19.f odd 18 2
7581.2.a.br 18 19.b odd 2 1
7581.2.a.bt 18 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(7581))\):

\( T_{2}^{18} - 30 T_{2}^{16} - T_{2}^{15} + 372 T_{2}^{14} + 27 T_{2}^{13} - 2464 T_{2}^{12} - 276 T_{2}^{11} + \cdots - 73 \) Copy content Toggle raw display
\( T_{5}^{18} - 12 T_{5}^{17} + 9 T_{5}^{16} + 407 T_{5}^{15} - 1308 T_{5}^{14} - 4632 T_{5}^{13} + \cdots - 492456 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{18} - 30 T^{16} + \cdots - 73 \) Copy content Toggle raw display
$3$ \( (T - 1)^{18} \) Copy content Toggle raw display
$5$ \( T^{18} - 12 T^{17} + \cdots - 492456 \) Copy content Toggle raw display
$7$ \( (T - 1)^{18} \) Copy content Toggle raw display
$11$ \( T^{18} - 18 T^{17} + \cdots + 107 \) Copy content Toggle raw display
$13$ \( T^{18} + \cdots - 245258688 \) Copy content Toggle raw display
$17$ \( T^{18} + \cdots - 121528873 \) Copy content Toggle raw display
$19$ \( T^{18} \) Copy content Toggle raw display
$23$ \( T^{18} + \cdots + 7380080901 \) Copy content Toggle raw display
$29$ \( T^{18} - 3 T^{17} + \cdots + 10233792 \) Copy content Toggle raw display
$31$ \( T^{18} + \cdots - 334890393 \) Copy content Toggle raw display
$37$ \( T^{18} + \cdots - 430180957 \) Copy content Toggle raw display
$41$ \( T^{18} + \cdots + 89666023861 \) Copy content Toggle raw display
$43$ \( T^{18} + \cdots - 2086279018048 \) Copy content Toggle raw display
$47$ \( T^{18} + \cdots - 660718651904 \) Copy content Toggle raw display
$53$ \( T^{18} + \cdots + 1341501888 \) Copy content Toggle raw display
$59$ \( T^{18} + \cdots + 4022070144704 \) Copy content Toggle raw display
$61$ \( T^{18} + \cdots + 2363332672 \) Copy content Toggle raw display
$67$ \( T^{18} + \cdots + 76974743780864 \) Copy content Toggle raw display
$71$ \( T^{18} + 24 T^{17} + \cdots + 4316509 \) Copy content Toggle raw display
$73$ \( T^{18} + \cdots + 293125719226688 \) Copy content Toggle raw display
$79$ \( T^{18} + \cdots + 3004224270336 \) Copy content Toggle raw display
$83$ \( T^{18} + \cdots + 59763388484928 \) Copy content Toggle raw display
$89$ \( T^{18} + \cdots + 800346452619097 \) Copy content Toggle raw display
$97$ \( T^{18} + \cdots + 12\!\cdots\!52 \) Copy content Toggle raw display
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