Properties

Label 9405.2.a.bt
Level $9405$
Weight $2$
Character orbit 9405.a
Self dual yes
Analytic conductor $75.099$
Analytic rank $0$
Dimension $15$
CM no
Inner twists $1$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [9405,2,Mod(1,9405)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(9405, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 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("9405.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 9405 = 3^{2} \cdot 5 \cdot 11 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9405.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: \(75.0993031010\)
Analytic rank: \(0\)
Dimension: \(15\)
Coefficient field: \(\mathbb{Q}[x]/(x^{15} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{15} - x^{14} - 23 x^{13} + 21 x^{12} + 205 x^{11} - 168 x^{10} - 899 x^{9} + 647 x^{8} + 2048 x^{7} + \cdots + 90 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
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 \(1,\beta_1,\ldots,\beta_{14}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{2} + (\beta_{2} + 1) q^{4} + q^{5} + \beta_{9} q^{7} + (\beta_{3} + \beta_1) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{2} + (\beta_{2} + 1) q^{4} + q^{5} + \beta_{9} q^{7} + (\beta_{3} + \beta_1) q^{8} + \beta_1 q^{10} - q^{11} + ( - \beta_{13} + \beta_{11} + \beta_{4} + \cdots + 1) q^{13}+ \cdots + ( - \beta_{14} + \beta_{13} + \beta_{12} + \cdots - 2) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 15 q + q^{2} + 17 q^{4} + 15 q^{5} + 4 q^{7} + 3 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 15 q + q^{2} + 17 q^{4} + 15 q^{5} + 4 q^{7} + 3 q^{8} + q^{10} - 15 q^{11} + 3 q^{13} + 4 q^{14} + 25 q^{16} - 7 q^{17} - 15 q^{19} + 17 q^{20} - q^{22} + 24 q^{23} + 15 q^{25} + 6 q^{26} + 13 q^{28} - 10 q^{29} + 20 q^{31} + 12 q^{32} + 24 q^{34} + 4 q^{35} + 14 q^{37} - q^{38} + 3 q^{40} - 10 q^{41} + 4 q^{43} - 17 q^{44} + 7 q^{46} + 10 q^{47} + 27 q^{49} + q^{50} + 16 q^{52} + 13 q^{53} - 15 q^{55} + 37 q^{56} + 20 q^{58} - 3 q^{59} + 10 q^{61} + 14 q^{62} + 55 q^{64} + 3 q^{65} + 34 q^{67} - 18 q^{68} + 4 q^{70} + 5 q^{71} + 4 q^{73} - 39 q^{74} - 17 q^{76} - 4 q^{77} + 19 q^{79} + 25 q^{80} + 52 q^{82} - 3 q^{83} - 7 q^{85} - 7 q^{86} - 3 q^{88} + 9 q^{89} + 50 q^{91} + 72 q^{92} + 56 q^{94} - 15 q^{95} + 16 q^{97} - 38 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{15} - x^{14} - 23 x^{13} + 21 x^{12} + 205 x^{11} - 168 x^{10} - 899 x^{9} + 647 x^{8} + 2048 x^{7} + \cdots + 90 \) : 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
\(\beta_{4}\)\(=\) \( ( 4439 \nu^{14} - 52877 \nu^{13} - 32602 \nu^{12} + 1099050 \nu^{11} - 463825 \nu^{10} + \cdots + 3044262 ) / 362094 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 7322 \nu^{14} + 100352 \nu^{13} + 30202 \nu^{12} - 2130570 \nu^{11} + 1272397 \nu^{10} + \cdots - 8138904 ) / 181047 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 39506 \nu^{14} - 203243 \nu^{13} - 637357 \nu^{12} + 4236642 \nu^{11} + 2622242 \nu^{10} + \cdots + 10994718 ) / 362094 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 45445 \nu^{14} + 80746 \nu^{13} + 967127 \nu^{12} - 1666290 \nu^{11} - 7711333 \nu^{10} + \cdots - 1046916 ) / 362094 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 82547 \nu^{14} + 230963 \nu^{13} + 1608118 \nu^{12} - 4751412 \nu^{11} - 11031041 \nu^{10} + \cdots - 8138838 ) / 362094 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 43972 \nu^{14} + 136369 \nu^{13} + 821594 \nu^{12} - 2805231 \nu^{11} - 5172502 \nu^{10} + \cdots - 5697114 ) / 181047 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 38883 \nu^{14} - 2580 \nu^{13} - 913685 \nu^{12} - 10870 \nu^{11} + 8323519 \nu^{10} + \cdots - 6056176 ) / 120698 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 118745 \nu^{14} + 152780 \nu^{13} + 2549911 \nu^{12} - 3015612 \nu^{11} - 20601131 \nu^{10} + \cdots + 5647134 ) / 362094 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 142711 \nu^{14} + 340702 \nu^{13} + 2795345 \nu^{12} - 6928746 \nu^{11} - 19299559 \nu^{10} + \cdots - 15689190 ) / 362094 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 146320 \nu^{14} + 145423 \nu^{13} + 3209069 \nu^{12} - 2842872 \nu^{11} - 26654908 \nu^{10} + \cdots + 6178446 ) / 362094 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 180355 \nu^{14} + 326647 \nu^{13} + 3731036 \nu^{12} - 6584466 \nu^{11} - 28394395 \nu^{10} + \cdots - 4508604 ) / 362094 \) 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
\(\nu^{4}\)\(=\) \( \beta_{11} - \beta_{9} - \beta_{7} + \beta_{5} + 7\beta_{2} + 16 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{13} - \beta_{12} + \beta_{11} + 2\beta_{10} + 2\beta_{8} + \beta_{6} - \beta_{5} + 9\beta_{3} + 2\beta_{2} + 31\beta_1 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( - \beta_{14} + \beta_{12} + 11 \beta_{11} - 12 \beta_{9} + 2 \beta_{8} - 11 \beta_{7} + \beta_{6} + \cdots + 100 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( \beta_{14} + 13 \beta_{13} - 14 \beta_{12} + 12 \beta_{11} + 26 \beta_{10} + \beta_{9} + \cdots + 207 \beta_1 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( - 11 \beta_{14} - 3 \beta_{13} + 13 \beta_{12} + 98 \beta_{11} + 2 \beta_{10} - 112 \beta_{9} + \cdots + 666 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 21 \beta_{14} + 122 \beta_{13} - 142 \beta_{12} + 111 \beta_{11} + 252 \beta_{10} + 12 \beta_{9} + \cdots + 7 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( - 79 \beta_{14} - 52 \beta_{13} + 119 \beta_{12} + 812 \beta_{11} + 42 \beta_{10} - 959 \beta_{9} + \cdots + 4587 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( 280 \beta_{14} + 1010 \beta_{13} - 1268 \beta_{12} + 942 \beta_{11} + 2189 \beta_{10} + 84 \beta_{9} + \cdots + 137 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( - 427 \beta_{14} - 606 \beta_{13} + 942 \beta_{12} + 6493 \beta_{11} + 569 \beta_{10} - 7874 \beta_{9} + \cdots + 32250 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( 3057 \beta_{14} + 7862 \beta_{13} - 10617 \beta_{12} + 7700 \beta_{11} + 18017 \beta_{10} + 323 \beta_{9} + \cdots + 1762 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( - 1415 \beta_{14} - 5974 \beta_{13} + 6871 \beta_{12} + 50880 \beta_{11} + 6353 \beta_{10} + \cdots + 229862 \) 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
−2.69685
−2.38676
−2.14963
−1.32779
−1.30333
−0.935799
−0.585457
0.324697
0.724177
0.883896
1.23522
1.80019
2.11535
2.54855
2.75353
−2.69685 0 5.27299 1.00000 0 −0.774278 −8.82674 0 −2.69685
1.2 −2.38676 0 3.69660 1.00000 0 3.31861 −4.04938 0 −2.38676
1.3 −2.14963 0 2.62091 1.00000 0 −3.62382 −1.33472 0 −2.14963
1.4 −1.32779 0 −0.236976 1.00000 0 5.10516 2.97023 0 −1.32779
1.5 −1.30333 0 −0.301321 1.00000 0 −3.81926 2.99939 0 −1.30333
1.6 −0.935799 0 −1.12428 1.00000 0 0.773665 2.92370 0 −0.935799
1.7 −0.585457 0 −1.65724 1.00000 0 3.43570 2.14116 0 −0.585457
1.8 0.324697 0 −1.89457 1.00000 0 −1.43855 −1.26456 0 0.324697
1.9 0.724177 0 −1.47557 1.00000 0 −0.324231 −2.51693 0 0.724177
1.10 0.883896 0 −1.21873 1.00000 0 −4.25158 −2.84502 0 0.883896
1.11 1.23522 0 −0.474222 1.00000 0 1.27658 −3.05622 0 1.23522
1.12 1.80019 0 1.24067 1.00000 0 3.87783 −1.36693 0 1.80019
1.13 2.11535 0 2.47472 1.00000 0 −2.91413 1.00419 0 2.11535
1.14 2.54855 0 4.49510 1.00000 0 2.93500 6.35888 0 2.54855
1.15 2.75353 0 5.58193 1.00000 0 0.423309 9.86294 0 2.75353
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.15
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(1\)
\(5\) \(-1\)
\(11\) \(1\)
\(19\) \(1\)

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 9405.2.a.bt yes 15
3.b odd 2 1 9405.2.a.bs 15
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
9405.2.a.bs 15 3.b odd 2 1
9405.2.a.bt yes 15 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 \(S_{2}^{\mathrm{new}}(\Gamma_0(9405))\):

\( T_{2}^{15} - T_{2}^{14} - 23 T_{2}^{13} + 21 T_{2}^{12} + 205 T_{2}^{11} - 168 T_{2}^{10} - 899 T_{2}^{9} + \cdots + 90 \) Copy content Toggle raw display
\( T_{7}^{15} - 4 T_{7}^{14} - 58 T_{7}^{13} + 224 T_{7}^{12} + 1270 T_{7}^{11} - 4764 T_{7}^{10} + \cdots + 17152 \) Copy content Toggle raw display
\( T_{13}^{15} - 3 T_{13}^{14} - 102 T_{13}^{13} + 302 T_{13}^{12} + 3835 T_{13}^{11} - 10817 T_{13}^{10} + \cdots + 564992 \) Copy content Toggle raw display
\( T_{17}^{15} + 7 T_{17}^{14} - 90 T_{17}^{13} - 748 T_{17}^{12} + 2647 T_{17}^{11} + 31205 T_{17}^{10} + \cdots + 54526144 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{15} - T^{14} + \cdots + 90 \) Copy content Toggle raw display
$3$ \( T^{15} \) Copy content Toggle raw display
$5$ \( (T - 1)^{15} \) Copy content Toggle raw display
$7$ \( T^{15} - 4 T^{14} + \cdots + 17152 \) Copy content Toggle raw display
$11$ \( (T + 1)^{15} \) Copy content Toggle raw display
$13$ \( T^{15} - 3 T^{14} + \cdots + 564992 \) Copy content Toggle raw display
$17$ \( T^{15} + 7 T^{14} + \cdots + 54526144 \) Copy content Toggle raw display
$19$ \( (T + 1)^{15} \) Copy content Toggle raw display
$23$ \( T^{15} - 24 T^{14} + \cdots - 3754208 \) Copy content Toggle raw display
$29$ \( T^{15} + 10 T^{14} + \cdots - 77038976 \) Copy content Toggle raw display
$31$ \( T^{15} - 20 T^{14} + \cdots + 29299968 \) Copy content Toggle raw display
$37$ \( T^{15} - 14 T^{14} + \cdots + 6385408 \) Copy content Toggle raw display
$41$ \( T^{15} + \cdots + 6429858560 \) Copy content Toggle raw display
$43$ \( T^{15} + \cdots - 284923904 \) Copy content Toggle raw display
$47$ \( T^{15} + \cdots - 1934701056 \) Copy content Toggle raw display
$53$ \( T^{15} + \cdots - 2616475648 \) Copy content Toggle raw display
$59$ \( T^{15} + \cdots + 33865917820 \) Copy content Toggle raw display
$61$ \( T^{15} + \cdots - 1775024640 \) Copy content Toggle raw display
$67$ \( T^{15} + \cdots - 293959168 \) Copy content Toggle raw display
$71$ \( T^{15} - 5 T^{14} + \cdots + 52858948 \) Copy content Toggle raw display
$73$ \( T^{15} + \cdots - 222789500928 \) Copy content Toggle raw display
$79$ \( T^{15} + \cdots - 240480000 \) Copy content Toggle raw display
$83$ \( T^{15} + \cdots - 573908992 \) Copy content Toggle raw display
$89$ \( T^{15} + \cdots - 5244593067536 \) Copy content Toggle raw display
$97$ \( T^{15} + \cdots - 447568064 \) Copy content Toggle raw display
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