Properties

Label 85.4.a.c
Level $85$
Weight $4$
Character orbit 85.a
Self dual yes
Analytic conductor $5.015$
Analytic rank $0$
Dimension $1$
CM no
Inner twists $1$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [85,4,Mod(1,85)] 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("85.1"); S:= CuspForms(chi, 4); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(85, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 4, names="a")
 
Level: \( N \) \(=\) \( 85 = 5 \cdot 17 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 85.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,3,10] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(5.01516235049\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Fricke sign: \(+1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-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)
 
\(f(q)\) \(=\) \( q + 3 q^{2} + 10 q^{3} + q^{4} + 5 q^{5} + 30 q^{6} - 22 q^{7} - 21 q^{8} + 73 q^{9} + 15 q^{10} - 30 q^{11} + 10 q^{12} - 46 q^{13} - 66 q^{14} + 50 q^{15} - 71 q^{16} + 17 q^{17} + 219 q^{18} + 104 q^{19}+ \cdots - 2190 q^{99}+O(q^{100}) \) 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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0
3.00000 10.0000 1.00000 5.00000 30.0000 −22.0000 −21.0000 73.0000 15.0000
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(5\) \( -1 \)
\(17\) \( -1 \)

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 85.4.a.c 1
3.b odd 2 1 765.4.a.a 1
4.b odd 2 1 1360.4.a.a 1
5.b even 2 1 425.4.a.a 1
5.c odd 4 2 425.4.b.d 2
17.b even 2 1 1445.4.a.f 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
85.4.a.c 1 1.a even 1 1 trivial
425.4.a.a 1 5.b even 2 1
425.4.b.d 2 5.c odd 4 2
765.4.a.a 1 3.b odd 2 1
1360.4.a.a 1 4.b odd 2 1
1445.4.a.f 1 17.b even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(85))\):

\( T_{2} - 3 \) Copy content Toggle raw display
\( T_{3} - 10 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 3 \) Copy content Toggle raw display
$3$ \( T - 10 \) Copy content Toggle raw display
$5$ \( T - 5 \) Copy content Toggle raw display
$7$ \( T + 22 \) Copy content Toggle raw display
$11$ \( T + 30 \) Copy content Toggle raw display
$13$ \( T + 46 \) Copy content Toggle raw display
$17$ \( T - 17 \) Copy content Toggle raw display
$19$ \( T - 104 \) Copy content Toggle raw display
$23$ \( T - 42 \) Copy content Toggle raw display
$29$ \( T + 66 \) Copy content Toggle raw display
$31$ \( T - 194 \) Copy content Toggle raw display
$37$ \( T - 206 \) Copy content Toggle raw display
$41$ \( T + 126 \) Copy content Toggle raw display
$43$ \( T + 388 \) Copy content Toggle raw display
$47$ \( T + 540 \) Copy content Toggle raw display
$53$ \( T - 78 \) Copy content Toggle raw display
$59$ \( T - 432 \) Copy content Toggle raw display
$61$ \( T + 610 \) Copy content Toggle raw display
$67$ \( T - 848 \) Copy content Toggle raw display
$71$ \( T + 174 \) Copy content Toggle raw display
$73$ \( T - 362 \) Copy content Toggle raw display
$79$ \( T - 398 \) Copy content Toggle raw display
$83$ \( T - 828 \) Copy content Toggle raw display
$89$ \( T - 630 \) Copy content Toggle raw display
$97$ \( T + 1486 \) Copy content Toggle raw display
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