Properties

Label 4896.2.c.p
Level $4896$
Weight $2$
Character orbit 4896.c
Analytic conductor $39.095$
Analytic rank $0$
Dimension $8$
Inner twists $4$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [4896,2,Mod(577,4896)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("4896.577"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(4896, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 4896 = 2^{5} \cdot 3^{2} \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4896.c (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [8,0,0,0,0,0,0,0,0,0,0,0,-12,0,0,0,12,0,0,0,0,0,0,0,-20,0,0,0, 0,0,0,0,0,0,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(35)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(39.0947568296\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.1170758624256.25
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 19x^{6} + 122x^{4} + 308x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{5} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

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

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{4} q^{5} + \beta_{2} q^{7} + ( - \beta_{3} - \beta_{2}) q^{11} + (\beta_{6} - 1) q^{13} + (\beta_{6} - \beta_1 + 2) q^{17} - \beta_{5} q^{19} + \beta_{3} q^{23} + ( - 3 \beta_{6} - 4) q^{25}+ \cdots + ( - 2 \beta_{4} - 4 \beta_1) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 12 q^{13} + 12 q^{17} - 20 q^{25} - 32 q^{49} + 56 q^{77} - 12 q^{85} - 80 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 19x^{6} + 122x^{4} + 308x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{7} + 19\nu^{5} + 90\nu^{3} + 52\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{7} + 11\nu^{5} + 18\nu^{3} - 44\nu ) / 16 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -5\nu^{7} - 79\nu^{5} - 370\nu^{3} - 452\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 5\nu^{7} + 79\nu^{5} + 370\nu^{3} + 516\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{6} - 15\nu^{4} - 58\nu^{2} - 44 ) / 4 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( \nu^{6} + 15\nu^{4} + 66\nu^{2} + 80 ) / 4 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -\nu^{6} - 23\nu^{4} - 146\nu^{2} - 228 ) / 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{4} + \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{6} + \beta_{5} - 9 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -6\beta_{4} - 7\beta_{3} - \beta_{2} - 3\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -\beta_{7} - 11\beta_{6} - 10\beta_{5} + 53 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 42\beta_{4} + 51\beta_{3} + 5\beta_{2} + 35\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 15\beta_{7} + 107\beta_{6} + 84\beta_{5} - 361 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -310\beta_{4} - 391\beta_{3} - 5\beta_{2} - 331\beta_1 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/4896\mathbb{Z}\right)^\times\).

\(n\) \(613\) \(2143\) \(3809\) \(4321\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
577.1
2.39559i
1.30369i
1.76150i
2.90838i
2.90838i
1.76150i
1.30369i
2.39559i
0 0 0 3.69928i 0 3.88884i 0 0 0
577.2 0 0 0 3.69928i 0 3.88884i 0 0 0
577.3 0 0 0 1.14688i 0 2.62238i 0 0 0
577.4 0 0 0 1.14688i 0 2.62238i 0 0 0
577.5 0 0 0 1.14688i 0 2.62238i 0 0 0
577.6 0 0 0 1.14688i 0 2.62238i 0 0 0
577.7 0 0 0 3.69928i 0 3.88884i 0 0 0
577.8 0 0 0 3.69928i 0 3.88884i 0 0 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 577.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
17.b even 2 1 inner
68.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4896.2.c.p yes 8
3.b odd 2 1 4896.2.c.o 8
4.b odd 2 1 inner 4896.2.c.p yes 8
12.b even 2 1 4896.2.c.o 8
17.b even 2 1 inner 4896.2.c.p yes 8
51.c odd 2 1 4896.2.c.o 8
68.d odd 2 1 inner 4896.2.c.p yes 8
204.h even 2 1 4896.2.c.o 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4896.2.c.o 8 3.b odd 2 1
4896.2.c.o 8 12.b even 2 1
4896.2.c.o 8 51.c odd 2 1
4896.2.c.o 8 204.h even 2 1
4896.2.c.p yes 8 1.a even 1 1 trivial
4896.2.c.p yes 8 4.b odd 2 1 inner
4896.2.c.p yes 8 17.b even 2 1 inner
4896.2.c.p yes 8 68.d odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(4896, [\chi])\):

\( T_{5}^{4} + 15T_{5}^{2} + 18 \) Copy content Toggle raw display
\( T_{7}^{4} + 22T_{7}^{2} + 104 \) Copy content Toggle raw display
\( T_{19}^{4} - 45T_{19}^{2} + 468 \) Copy content Toggle raw display
\( T_{43}^{4} - 177T_{43}^{2} + 7488 \) Copy content Toggle raw display
\( T_{47}^{4} - 180T_{47}^{2} + 7488 \) Copy content Toggle raw display
\( T_{53}^{2} - 68 \) Copy content Toggle raw display
\( T_{89} + 10 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( (T^{4} + 15 T^{2} + 18)^{2} \) Copy content Toggle raw display
$7$ \( (T^{4} + 22 T^{2} + 104)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} + 29 T^{2} + 104)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} + 3 T - 2)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 6 T^{3} + \cdots + 289)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} - 45 T^{2} + 468)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} + 23 T^{2} + 26)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 30 T^{2} + 72)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} + 82 T^{2} + 1664)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} + 42 T^{2} + 288)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + 93 T^{2} + 288)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} - 177 T^{2} + 7488)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} - 180 T^{2} + 7488)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} - 68)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} - 228 T^{2} + 7488)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 222 T^{2} + 12168)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 228 T^{2} + 7488)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 146 T^{2} + 416)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 276 T^{2} + 18432)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 82 T^{2} + 1664)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} - 216 T^{2} + 1872)^{2} \) Copy content Toggle raw display
$89$ \( (T + 10)^{8} \) Copy content Toggle raw display
$97$ \( (T^{4} + 348 T^{2} + 288)^{2} \) Copy content Toggle raw display
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