Properties

Label 960.3.c.c
Level $960$
Weight $3$
Character orbit 960.c
Self dual yes
Analytic conductor $26.158$
Analytic rank $0$
Dimension $1$
CM discriminant -15
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [960,3,Mod(449,960)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(960, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("960.449");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 960 = 2^{6} \cdot 3 \cdot 5 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 960.c (of order \(2\), degree \(1\), not 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: yes
Analytic conductor: \(26.1581053786\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 15)
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + 3 q^{3} - 5 q^{5} + 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 3 q^{3} - 5 q^{5} + 9 q^{9} - 15 q^{15} - 14 q^{17} + 22 q^{19} + 34 q^{23} + 25 q^{25} + 27 q^{27} + 2 q^{31} - 45 q^{45} - 14 q^{47} + 49 q^{49} - 42 q^{51} + 86 q^{53} + 66 q^{57} + 118 q^{61} + 102 q^{69} + 75 q^{75} + 98 q^{79} + 81 q^{81} - 154 q^{83} + 70 q^{85} + 6 q^{93} - 110 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/960\mathbb{Z}\right)^\times\).

\(n\) \(511\) \(577\) \(641\) \(901\)
\(\chi(n)\) \(1\) \(-1\) \(-1\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
449.1
0
0 3.00000 0 −5.00000 0 0 0 9.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
15.d odd 2 1 CM by \(\Q(\sqrt{-15}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 960.3.c.c 1
3.b odd 2 1 960.3.c.b 1
4.b odd 2 1 960.3.c.a 1
5.b even 2 1 960.3.c.b 1
8.b even 2 1 15.3.d.b yes 1
8.d odd 2 1 240.3.c.b 1
12.b even 2 1 960.3.c.d 1
15.d odd 2 1 CM 960.3.c.c 1
20.d odd 2 1 960.3.c.d 1
24.f even 2 1 240.3.c.a 1
24.h odd 2 1 15.3.d.a 1
40.e odd 2 1 240.3.c.a 1
40.f even 2 1 15.3.d.a 1
40.i odd 4 2 75.3.c.d 2
40.k even 4 2 1200.3.l.l 2
60.h even 2 1 960.3.c.a 1
72.j odd 6 2 405.3.h.b 2
72.n even 6 2 405.3.h.a 2
120.i odd 2 1 15.3.d.b yes 1
120.m even 2 1 240.3.c.b 1
120.q odd 4 2 1200.3.l.l 2
120.w even 4 2 75.3.c.d 2
360.bh odd 6 2 405.3.h.a 2
360.bk even 6 2 405.3.h.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
15.3.d.a 1 24.h odd 2 1
15.3.d.a 1 40.f even 2 1
15.3.d.b yes 1 8.b even 2 1
15.3.d.b yes 1 120.i odd 2 1
75.3.c.d 2 40.i odd 4 2
75.3.c.d 2 120.w even 4 2
240.3.c.a 1 24.f even 2 1
240.3.c.a 1 40.e odd 2 1
240.3.c.b 1 8.d odd 2 1
240.3.c.b 1 120.m even 2 1
405.3.h.a 2 72.n even 6 2
405.3.h.a 2 360.bh odd 6 2
405.3.h.b 2 72.j odd 6 2
405.3.h.b 2 360.bk even 6 2
960.3.c.a 1 4.b odd 2 1
960.3.c.a 1 60.h even 2 1
960.3.c.b 1 3.b odd 2 1
960.3.c.b 1 5.b even 2 1
960.3.c.c 1 1.a even 1 1 trivial
960.3.c.c 1 15.d odd 2 1 CM
960.3.c.d 1 12.b even 2 1
960.3.c.d 1 20.d odd 2 1
1200.3.l.l 2 40.k even 4 2
1200.3.l.l 2 120.q odd 4 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(960, [\chi])\):

\( T_{7} \) Copy content Toggle raw display
\( T_{17} + 14 \) Copy content Toggle raw display
\( T_{19} - 22 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T - 3 \) Copy content Toggle raw display
$5$ \( T + 5 \) Copy content Toggle raw display
$7$ \( T \) Copy content Toggle raw display
$11$ \( T \) Copy content Toggle raw display
$13$ \( T \) Copy content Toggle raw display
$17$ \( T + 14 \) Copy content Toggle raw display
$19$ \( T - 22 \) Copy content Toggle raw display
$23$ \( T - 34 \) Copy content Toggle raw display
$29$ \( T \) Copy content Toggle raw display
$31$ \( T - 2 \) Copy content Toggle raw display
$37$ \( T \) Copy content Toggle raw display
$41$ \( T \) Copy content Toggle raw display
$43$ \( T \) Copy content Toggle raw display
$47$ \( T + 14 \) Copy content Toggle raw display
$53$ \( T - 86 \) Copy content Toggle raw display
$59$ \( T \) Copy content Toggle raw display
$61$ \( T - 118 \) Copy content Toggle raw display
$67$ \( T \) Copy content Toggle raw display
$71$ \( T \) Copy content Toggle raw display
$73$ \( T \) Copy content Toggle raw display
$79$ \( T - 98 \) Copy content Toggle raw display
$83$ \( T + 154 \) Copy content Toggle raw display
$89$ \( T \) Copy content Toggle raw display
$97$ \( T \) Copy content Toggle raw display
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