Properties

Label 960.2.f.f
Level $960$
Weight $2$
Character orbit 960.f
Analytic conductor $7.666$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [960,2,Mod(769,960)]
 
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, 0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("960.769");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 960 = 2^{6} \cdot 3 \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 960.f (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: no
Analytic conductor: \(7.66563859404\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-1}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 60)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 \(i = \sqrt{-1}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + i q^{3} + (2 i - 1) q^{5} + 4 i q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + i q^{3} + (2 i - 1) q^{5} + 4 i q^{7} - q^{9} + 4 q^{11} + ( - i - 2) q^{15} + 4 i q^{17} - 4 q^{21} - 4 i q^{23} + ( - 4 i - 3) q^{25} - i q^{27} - 6 q^{29} + 4 q^{31} + 4 i q^{33} + ( - 4 i - 8) q^{35} + 8 i q^{37} - 10 q^{41} + 4 i q^{43} + ( - 2 i + 1) q^{45} - 4 i q^{47} - 9 q^{49} - 4 q^{51} - 12 i q^{53} + (8 i - 4) q^{55} + 4 q^{59} - 2 q^{61} - 4 i q^{63} + 4 i q^{67} + 4 q^{69} + 8 i q^{73} + ( - 3 i + 4) q^{75} + 16 i q^{77} + 12 q^{79} + q^{81} + 4 i q^{83} + ( - 4 i - 8) q^{85} - 6 i q^{87} + 10 q^{89} + 4 i q^{93} + 8 i q^{97} - 4 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{5} - 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - 2 q^{5} - 2 q^{9} + 8 q^{11} - 4 q^{15} - 8 q^{21} - 6 q^{25} - 12 q^{29} + 8 q^{31} - 16 q^{35} - 20 q^{41} + 2 q^{45} - 18 q^{49} - 8 q^{51} - 8 q^{55} + 8 q^{59} - 4 q^{61} + 8 q^{69} + 8 q^{75} + 24 q^{79} + 2 q^{81} - 16 q^{85} + 20 q^{89} - 8 q^{99}+O(q^{100}) \) 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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
769.1
1.00000i
1.00000i
0 1.00000i 0 −1.00000 2.00000i 0 4.00000i 0 −1.00000 0
769.2 0 1.00000i 0 −1.00000 + 2.00000i 0 4.00000i 0 −1.00000 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
5.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 960.2.f.f 2
3.b odd 2 1 2880.2.f.l 2
4.b odd 2 1 960.2.f.c 2
5.b even 2 1 inner 960.2.f.f 2
5.c odd 4 1 4800.2.a.bj 1
5.c odd 4 1 4800.2.a.bn 1
8.b even 2 1 60.2.d.a 2
8.d odd 2 1 240.2.f.b 2
12.b even 2 1 2880.2.f.p 2
15.d odd 2 1 2880.2.f.l 2
16.e even 4 1 3840.2.d.o 2
16.e even 4 1 3840.2.d.r 2
16.f odd 4 1 3840.2.d.b 2
16.f odd 4 1 3840.2.d.be 2
20.d odd 2 1 960.2.f.c 2
20.e even 4 1 4800.2.a.bf 1
20.e even 4 1 4800.2.a.bk 1
24.f even 2 1 720.2.f.c 2
24.h odd 2 1 180.2.d.a 2
40.e odd 2 1 240.2.f.b 2
40.f even 2 1 60.2.d.a 2
40.i odd 4 1 300.2.a.a 1
40.i odd 4 1 300.2.a.d 1
40.k even 4 1 1200.2.a.a 1
40.k even 4 1 1200.2.a.s 1
56.h odd 2 1 2940.2.k.c 2
56.j odd 6 2 2940.2.bb.e 4
56.p even 6 2 2940.2.bb.d 4
60.h even 2 1 2880.2.f.p 2
72.j odd 6 2 1620.2.r.d 4
72.n even 6 2 1620.2.r.c 4
80.k odd 4 1 3840.2.d.b 2
80.k odd 4 1 3840.2.d.be 2
80.q even 4 1 3840.2.d.o 2
80.q even 4 1 3840.2.d.r 2
120.i odd 2 1 180.2.d.a 2
120.m even 2 1 720.2.f.c 2
120.q odd 4 1 3600.2.a.d 1
120.q odd 4 1 3600.2.a.bm 1
120.w even 4 1 900.2.a.a 1
120.w even 4 1 900.2.a.h 1
280.c odd 2 1 2940.2.k.c 2
280.bf even 6 2 2940.2.bb.d 4
280.bk odd 6 2 2940.2.bb.e 4
360.bh odd 6 2 1620.2.r.d 4
360.bk even 6 2 1620.2.r.c 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
60.2.d.a 2 8.b even 2 1
60.2.d.a 2 40.f even 2 1
180.2.d.a 2 24.h odd 2 1
180.2.d.a 2 120.i odd 2 1
240.2.f.b 2 8.d odd 2 1
240.2.f.b 2 40.e odd 2 1
300.2.a.a 1 40.i odd 4 1
300.2.a.d 1 40.i odd 4 1
720.2.f.c 2 24.f even 2 1
720.2.f.c 2 120.m even 2 1
900.2.a.a 1 120.w even 4 1
900.2.a.h 1 120.w even 4 1
960.2.f.c 2 4.b odd 2 1
960.2.f.c 2 20.d odd 2 1
960.2.f.f 2 1.a even 1 1 trivial
960.2.f.f 2 5.b even 2 1 inner
1200.2.a.a 1 40.k even 4 1
1200.2.a.s 1 40.k even 4 1
1620.2.r.c 4 72.n even 6 2
1620.2.r.c 4 360.bk even 6 2
1620.2.r.d 4 72.j odd 6 2
1620.2.r.d 4 360.bh odd 6 2
2880.2.f.l 2 3.b odd 2 1
2880.2.f.l 2 15.d odd 2 1
2880.2.f.p 2 12.b even 2 1
2880.2.f.p 2 60.h even 2 1
2940.2.k.c 2 56.h odd 2 1
2940.2.k.c 2 280.c odd 2 1
2940.2.bb.d 4 56.p even 6 2
2940.2.bb.d 4 280.bf even 6 2
2940.2.bb.e 4 56.j odd 6 2
2940.2.bb.e 4 280.bk odd 6 2
3600.2.a.d 1 120.q odd 4 1
3600.2.a.bm 1 120.q odd 4 1
3840.2.d.b 2 16.f odd 4 1
3840.2.d.b 2 80.k odd 4 1
3840.2.d.o 2 16.e even 4 1
3840.2.d.o 2 80.q even 4 1
3840.2.d.r 2 16.e even 4 1
3840.2.d.r 2 80.q even 4 1
3840.2.d.be 2 16.f odd 4 1
3840.2.d.be 2 80.k odd 4 1
4800.2.a.bf 1 20.e even 4 1
4800.2.a.bj 1 5.c odd 4 1
4800.2.a.bk 1 20.e even 4 1
4800.2.a.bn 1 5.c odd 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(960, [\chi])\):

\( T_{7}^{2} + 16 \) Copy content Toggle raw display
\( T_{11} - 4 \) Copy content Toggle raw display
\( T_{13} \) Copy content Toggle raw display
\( T_{19} \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} + 1 \) Copy content Toggle raw display
$5$ \( T^{2} + 2T + 5 \) Copy content Toggle raw display
$7$ \( T^{2} + 16 \) Copy content Toggle raw display
$11$ \( (T - 4)^{2} \) Copy content Toggle raw display
$13$ \( T^{2} \) Copy content Toggle raw display
$17$ \( T^{2} + 16 \) Copy content Toggle raw display
$19$ \( T^{2} \) Copy content Toggle raw display
$23$ \( T^{2} + 16 \) Copy content Toggle raw display
$29$ \( (T + 6)^{2} \) Copy content Toggle raw display
$31$ \( (T - 4)^{2} \) Copy content Toggle raw display
$37$ \( T^{2} + 64 \) Copy content Toggle raw display
$41$ \( (T + 10)^{2} \) Copy content Toggle raw display
$43$ \( T^{2} + 16 \) Copy content Toggle raw display
$47$ \( T^{2} + 16 \) Copy content Toggle raw display
$53$ \( T^{2} + 144 \) Copy content Toggle raw display
$59$ \( (T - 4)^{2} \) Copy content Toggle raw display
$61$ \( (T + 2)^{2} \) Copy content Toggle raw display
$67$ \( T^{2} + 16 \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( T^{2} + 64 \) Copy content Toggle raw display
$79$ \( (T - 12)^{2} \) Copy content Toggle raw display
$83$ \( T^{2} + 16 \) Copy content Toggle raw display
$89$ \( (T - 10)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} + 64 \) Copy content Toggle raw display
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