Properties

Label 525.2.j.a
Level $525$
Weight $2$
Character orbit 525.j
Analytic conductor $4.192$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [525,2,Mod(218,525)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(525, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([2, 3, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("525.218");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 525 = 3 \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 525.j (of order \(4\), degree \(2\), minimal)

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: no
Analytic conductor: \(4.19214610612\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(i)\)
Coefficient field: 16.0.6040479020157644046336.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 7x^{12} - 32x^{8} - 567x^{4} + 6561 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{4} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_{15} + \beta_{13} - \beta_{10}) q^{2} + \beta_{7} q^{3} + ( - 2 \beta_{14} + \beta_{11} - \beta_{2}) q^{4} + ( - 2 \beta_{6} - \beta_{3} - \beta_1 + 1) q^{6} - \beta_{12} q^{7} + ( - \beta_{9} + 3 \beta_{8} - \beta_{7}) q^{8} + ( - \beta_{14} + \beta_{11} + \cdots - \beta_{2}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{15} + \beta_{13} - \beta_{10}) q^{2} + \beta_{7} q^{3} + ( - 2 \beta_{14} + \beta_{11} - \beta_{2}) q^{4} + ( - 2 \beta_{6} - \beta_{3} - \beta_1 + 1) q^{6} - \beta_{12} q^{7} + ( - \beta_{9} + 3 \beta_{8} - \beta_{7}) q^{8} + ( - \beta_{14} + \beta_{11} + \cdots - \beta_{2}) q^{9}+ \cdots + (7 \beta_{14} + 4 \beta_{11} + \cdots + 8 \beta_{2}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 16 q^{6}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{6} - 56 q^{16} - 4 q^{21} - 16 q^{31} - 96 q^{36} + 48 q^{46} + 4 q^{51} + 16 q^{61} + 168 q^{66} + 96 q^{76} + 28 q^{81} + 8 q^{91} - 72 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 7x^{12} - 32x^{8} - 567x^{4} + 6561 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 7\nu^{12} + 32\nu^{8} + 2368\nu^{4} - 6561 ) / 12960 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -5\nu^{14} - 208\nu^{10} + 4048\nu^{6} - 1053\nu^{2} ) / 58320 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 13\nu^{12} - 64\nu^{8} - 416\nu^{4} - 7371 ) / 4320 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -25\nu^{14} + 256\nu^{10} - 496\nu^{6} + 34911\nu^{2} ) / 58320 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 37\nu^{13} - 16\nu^{9} - 1184\nu^{5} - 20979\nu ) / 19440 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 7\nu^{12} + 32\nu^{8} - 224\nu^{4} - 5265 ) / 1296 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( \nu^{13} - 1079\nu ) / 480 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 11\nu^{13} + 4\nu^{9} + 296\nu^{5} - 6885\nu ) / 4860 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( -7\nu^{13} - 32\nu^{9} + 224\nu^{5} + 6561\nu ) / 2592 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 31\nu^{15} + 512\nu^{11} - 992\nu^{7} - 17577\nu^{3} ) / 116640 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( -7\nu^{14} - 32\nu^{10} + 62\nu^{6} + 6561\nu^{2} ) / 7290 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( -\nu^{15} + 359\nu^{3} ) / 2160 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 49\nu^{15} + 224\nu^{11} + 1024\nu^{7} - 45927\nu^{3} ) / 69984 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 253\nu^{14} + 416\nu^{10} - 8096\nu^{6} - 143451\nu^{2} ) / 116640 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( -43\nu^{15} - 104\nu^{11} + 2024\nu^{7} + 28593\nu^{3} ) / 43740 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{8} - 2\beta_{7} + \beta_{5} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{14} + 3\beta_{11} + 3\beta_{4} + 2\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{15} - 2\beta_{13} - 4\beta_{12} + 2\beta_{10} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -\beta_{6} + 10\beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 2\beta_{9} + 15\beta_{8} - 15\beta_{5} ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -5\beta_{11} + 8\beta_{4} + 16\beta_{2} \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 35\beta_{15} + 26\beta_{13} - 35\beta_{12} ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 39\beta_{6} - 70\beta_{3} + 39 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( -74\beta_{9} + 37\beta_{8} - 74\beta_{7} - 68\beta_{5} \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -62\beta_{14} - 253\beta_{11} + 253\beta_{4} ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 93\beta_{15} + 93\beta_{12} + 506\beta_{10} ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 80\beta_{6} + 160\beta_{3} + 160\beta _1 + 679 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 1079\beta_{8} - 1198\beta_{7} + 1079\beta_{5} ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 2158\beta_{14} + 1797\beta_{11} + 1797\beta_{4} + 2158\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( 359\beta_{15} - 718\beta_{13} - 3596\beta_{12} + 718\beta_{10} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/525\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(176\) \(451\)
\(\chi(n)\) \(-\beta_{11}\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
218.1
1.73122 0.0537601i
0.0537601 1.73122i
1.47240 + 0.912166i
−0.912166 1.47240i
0.912166 + 1.47240i
−1.47240 0.912166i
−0.0537601 + 1.73122i
−1.73122 + 0.0537601i
1.73122 + 0.0537601i
0.0537601 + 1.73122i
1.47240 0.912166i
−0.912166 + 1.47240i
0.912166 1.47240i
−1.47240 + 0.912166i
−0.0537601 1.73122i
−1.73122 0.0537601i
−1.78498 1.78498i −1.47240 0.912166i 4.37228i 0 1.00000 + 4.25639i 0.707107 0.707107i 4.23447 4.23447i 1.33591 + 2.68614i 0
218.2 −1.78498 1.78498i 0.912166 + 1.47240i 4.37228i 0 1.00000 4.25639i −0.707107 + 0.707107i 4.23447 4.23447i −1.33591 + 2.68614i 0
218.3 −0.560232 0.560232i −1.73122 + 0.0537601i 1.37228i 0 1.00000 + 0.939764i −0.707107 + 0.707107i −1.88926 + 1.88926i 2.99422 0.186141i 0
218.4 −0.560232 0.560232i −0.0537601 + 1.73122i 1.37228i 0 1.00000 0.939764i 0.707107 0.707107i −1.88926 + 1.88926i −2.99422 0.186141i 0
218.5 0.560232 + 0.560232i 0.0537601 1.73122i 1.37228i 0 1.00000 0.939764i −0.707107 + 0.707107i 1.88926 1.88926i −2.99422 0.186141i 0
218.6 0.560232 + 0.560232i 1.73122 0.0537601i 1.37228i 0 1.00000 + 0.939764i 0.707107 0.707107i 1.88926 1.88926i 2.99422 0.186141i 0
218.7 1.78498 + 1.78498i −0.912166 1.47240i 4.37228i 0 1.00000 4.25639i 0.707107 0.707107i −4.23447 + 4.23447i −1.33591 + 2.68614i 0
218.8 1.78498 + 1.78498i 1.47240 + 0.912166i 4.37228i 0 1.00000 + 4.25639i −0.707107 + 0.707107i −4.23447 + 4.23447i 1.33591 + 2.68614i 0
407.1 −1.78498 + 1.78498i −1.47240 + 0.912166i 4.37228i 0 1.00000 4.25639i 0.707107 + 0.707107i 4.23447 + 4.23447i 1.33591 2.68614i 0
407.2 −1.78498 + 1.78498i 0.912166 1.47240i 4.37228i 0 1.00000 + 4.25639i −0.707107 0.707107i 4.23447 + 4.23447i −1.33591 2.68614i 0
407.3 −0.560232 + 0.560232i −1.73122 0.0537601i 1.37228i 0 1.00000 0.939764i −0.707107 0.707107i −1.88926 1.88926i 2.99422 + 0.186141i 0
407.4 −0.560232 + 0.560232i −0.0537601 1.73122i 1.37228i 0 1.00000 + 0.939764i 0.707107 + 0.707107i −1.88926 1.88926i −2.99422 + 0.186141i 0
407.5 0.560232 0.560232i 0.0537601 + 1.73122i 1.37228i 0 1.00000 + 0.939764i −0.707107 0.707107i 1.88926 + 1.88926i −2.99422 + 0.186141i 0
407.6 0.560232 0.560232i 1.73122 + 0.0537601i 1.37228i 0 1.00000 0.939764i 0.707107 + 0.707107i 1.88926 + 1.88926i 2.99422 + 0.186141i 0
407.7 1.78498 1.78498i −0.912166 + 1.47240i 4.37228i 0 1.00000 + 4.25639i 0.707107 + 0.707107i −4.23447 4.23447i −1.33591 2.68614i 0
407.8 1.78498 1.78498i 1.47240 0.912166i 4.37228i 0 1.00000 4.25639i −0.707107 0.707107i −4.23447 4.23447i 1.33591 2.68614i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 218.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
5.b even 2 1 inner
5.c odd 4 2 inner
15.d odd 2 1 inner
15.e even 4 2 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 525.2.j.a 16
3.b odd 2 1 inner 525.2.j.a 16
5.b even 2 1 inner 525.2.j.a 16
5.c odd 4 2 inner 525.2.j.a 16
15.d odd 2 1 inner 525.2.j.a 16
15.e even 4 2 inner 525.2.j.a 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
525.2.j.a 16 1.a even 1 1 trivial
525.2.j.a 16 3.b odd 2 1 inner
525.2.j.a 16 5.b even 2 1 inner
525.2.j.a 16 5.c odd 4 2 inner
525.2.j.a 16 15.d odd 2 1 inner
525.2.j.a 16 15.e even 4 2 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{8} + 41T_{2}^{4} + 16 \) acting on \(S_{2}^{\mathrm{new}}(525, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{8} + 41 T^{4} + 16)^{2} \) Copy content Toggle raw display
$3$ \( T^{16} - 7 T^{12} + \cdots + 6561 \) Copy content Toggle raw display
$5$ \( T^{16} \) Copy content Toggle raw display
$7$ \( (T^{4} + 1)^{4} \) Copy content Toggle raw display
$11$ \( (T^{4} + 51 T^{2} + 576)^{4} \) Copy content Toggle raw display
$13$ \( (T^{8} + 161 T^{4} + 4096)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 329 T^{4} + 256)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 16)^{8} \) Copy content Toggle raw display
$23$ \( (T^{4} + 144)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} - 43 T^{2} + 256)^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} + 2 T - 32)^{8} \) Copy content Toggle raw display
$37$ \( (T^{8} + 2576 T^{4} + 1048576)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + 172 T^{2} + 4096)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} + 4096)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} + 3929 T^{4} + 1336336)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + 21392 T^{4} + 16777216)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} - 172 T^{2} + 4096)^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} - 2 T - 32)^{8} \) Copy content Toggle raw display
$67$ \( (T^{8} + 26384 T^{4} + 65536)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 76 T^{2} + 256)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} + 26384 T^{4} + 65536)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 233 T^{2} + 1024)^{4} \) Copy content Toggle raw display
$83$ \( (T^{8} + 87584 T^{4} + 723394816)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} - 304 T^{2} + 4096)^{4} \) Copy content Toggle raw display
$97$ \( (T^{8} + 161 T^{4} + 4096)^{2} \) Copy content Toggle raw display
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