Properties

Label 2475.2.d.a
Level $2475$
Weight $2$
Character orbit 2475.d
Analytic conductor $19.763$
Analytic rank $0$
Dimension $8$
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] = [2475,2,Mod(2474,2475)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2475, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2475.2474");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2475 = 3^{2} \cdot 5^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2475.d (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: \(19.7629745003\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\Q(\zeta_{24})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{23}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: no (minimal twist has level 99)
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 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.

\(f(q)\) \(=\) \( q - \beta_{2} q^{2} - q^{4} - \beta_{5} q^{7} - \beta_{2} q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{2} - q^{4} - \beta_{5} q^{7} - \beta_{2} q^{8} + (\beta_{4} - 2 \beta_{3}) q^{11} + 2 \beta_{5} q^{13} - 3 \beta_{3} q^{14} - 5 q^{16} + 3 \beta_{7} q^{19} + (2 \beta_{5} - 3 \beta_1) q^{22} - 2 \beta_{6} q^{23} + 6 \beta_{3} q^{26} + \beta_{5} q^{28} + 4 \beta_{4} q^{29} - 4 q^{31} + 3 \beta_{2} q^{32} + 8 \beta_1 q^{37} + 9 \beta_{6} q^{38} + 4 \beta_{4} q^{41} + \beta_{5} q^{43} + ( - \beta_{4} + 2 \beta_{3}) q^{44} + 2 \beta_{7} q^{46} + 2 \beta_{6} q^{47} - q^{49} - 2 \beta_{5} q^{52} + 7 \beta_{6} q^{53} - 3 \beta_{3} q^{56} - 12 \beta_1 q^{58} - 8 \beta_{3} q^{59} - 2 \beta_{7} q^{61} + 4 \beta_{2} q^{62} - q^{64} - 4 \beta_1 q^{67} + 2 \beta_{3} q^{71} + 8 \beta_{4} q^{74} - 3 \beta_{7} q^{76} + ( - 3 \beta_{6} - 4 \beta_{2}) q^{77} + 5 \beta_{7} q^{79} - 12 \beta_1 q^{82} - 8 \beta_{2} q^{83} + 3 \beta_{3} q^{86} + (2 \beta_{5} - 3 \beta_1) q^{88} - 5 \beta_{3} q^{89} - 12 q^{91} + 2 \beta_{6} q^{92} - 2 \beta_{7} q^{94} - 10 \beta_1 q^{97} + \beta_{2} q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 8 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 8 q^{4} - 40 q^{16} - 32 q^{31} - 8 q^{49} - 8 q^{64} - 96 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{24}^{6} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 2\zeta_{24}^{4} - 1 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -\zeta_{24}^{5} - \zeta_{24}^{3} + \zeta_{24} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( -\zeta_{24}^{6} + 2\zeta_{24}^{2} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( -2\zeta_{24}^{7} + \zeta_{24}^{5} + \zeta_{24}^{3} + \zeta_{24} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( -\zeta_{24}^{5} + \zeta_{24}^{3} + \zeta_{24} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( 2\zeta_{24}^{7} + \zeta_{24}^{5} - \zeta_{24}^{3} + \zeta_{24} \) Copy content Toggle raw display
\(\zeta_{24}\)\(=\) \( ( \beta_{7} + \beta_{6} + \beta_{5} + \beta_{3} ) / 4 \) Copy content Toggle raw display
\(\zeta_{24}^{2}\)\(=\) \( ( \beta_{4} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\zeta_{24}^{3}\)\(=\) \( ( \beta_{6} - \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\zeta_{24}^{4}\)\(=\) \( ( \beta_{2} + 1 ) / 2 \) Copy content Toggle raw display
\(\zeta_{24}^{5}\)\(=\) \( ( \beta_{7} - \beta_{6} + \beta_{5} - \beta_{3} ) / 4 \) Copy content Toggle raw display
\(\zeta_{24}^{6}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{24}^{7}\)\(=\) \( ( \beta_{7} + \beta_{6} - \beta_{5} - \beta_{3} ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2475\mathbb{Z}\right)^\times\).

\(n\) \(551\) \(2026\) \(2377\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2474.1
0.258819 0.965926i
0.965926 + 0.258819i
−0.258819 + 0.965926i
−0.965926 0.258819i
0.258819 + 0.965926i
0.965926 0.258819i
−0.258819 0.965926i
−0.965926 + 0.258819i
1.73205i 0 −1.00000 0 0 −2.44949 1.73205i 0 0
2474.2 1.73205i 0 −1.00000 0 0 −2.44949 1.73205i 0 0
2474.3 1.73205i 0 −1.00000 0 0 2.44949 1.73205i 0 0
2474.4 1.73205i 0 −1.00000 0 0 2.44949 1.73205i 0 0
2474.5 1.73205i 0 −1.00000 0 0 −2.44949 1.73205i 0 0
2474.6 1.73205i 0 −1.00000 0 0 −2.44949 1.73205i 0 0
2474.7 1.73205i 0 −1.00000 0 0 2.44949 1.73205i 0 0
2474.8 1.73205i 0 −1.00000 0 0 2.44949 1.73205i 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 2474.8
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
11.b odd 2 1 inner
15.d odd 2 1 inner
33.d even 2 1 inner
55.d odd 2 1 inner
165.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2475.2.d.a 8
3.b odd 2 1 inner 2475.2.d.a 8
5.b even 2 1 inner 2475.2.d.a 8
5.c odd 4 1 99.2.d.a 4
5.c odd 4 1 2475.2.f.e 4
11.b odd 2 1 inner 2475.2.d.a 8
15.d odd 2 1 inner 2475.2.d.a 8
15.e even 4 1 99.2.d.a 4
15.e even 4 1 2475.2.f.e 4
20.e even 4 1 1584.2.b.e 4
33.d even 2 1 inner 2475.2.d.a 8
40.i odd 4 1 6336.2.b.s 4
40.k even 4 1 6336.2.b.t 4
45.k odd 12 2 891.2.g.c 8
45.l even 12 2 891.2.g.c 8
55.d odd 2 1 inner 2475.2.d.a 8
55.e even 4 1 99.2.d.a 4
55.e even 4 1 2475.2.f.e 4
60.l odd 4 1 1584.2.b.e 4
120.q odd 4 1 6336.2.b.t 4
120.w even 4 1 6336.2.b.s 4
165.d even 2 1 inner 2475.2.d.a 8
165.l odd 4 1 99.2.d.a 4
165.l odd 4 1 2475.2.f.e 4
220.i odd 4 1 1584.2.b.e 4
440.t even 4 1 6336.2.b.s 4
440.w odd 4 1 6336.2.b.t 4
495.bd odd 12 2 891.2.g.c 8
495.bf even 12 2 891.2.g.c 8
660.q even 4 1 1584.2.b.e 4
1320.bn odd 4 1 6336.2.b.s 4
1320.bt even 4 1 6336.2.b.t 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
99.2.d.a 4 5.c odd 4 1
99.2.d.a 4 15.e even 4 1
99.2.d.a 4 55.e even 4 1
99.2.d.a 4 165.l odd 4 1
891.2.g.c 8 45.k odd 12 2
891.2.g.c 8 45.l even 12 2
891.2.g.c 8 495.bd odd 12 2
891.2.g.c 8 495.bf even 12 2
1584.2.b.e 4 20.e even 4 1
1584.2.b.e 4 60.l odd 4 1
1584.2.b.e 4 220.i odd 4 1
1584.2.b.e 4 660.q even 4 1
2475.2.d.a 8 1.a even 1 1 trivial
2475.2.d.a 8 3.b odd 2 1 inner
2475.2.d.a 8 5.b even 2 1 inner
2475.2.d.a 8 11.b odd 2 1 inner
2475.2.d.a 8 15.d odd 2 1 inner
2475.2.d.a 8 33.d even 2 1 inner
2475.2.d.a 8 55.d odd 2 1 inner
2475.2.d.a 8 165.d even 2 1 inner
2475.2.f.e 4 5.c odd 4 1
2475.2.f.e 4 15.e even 4 1
2475.2.f.e 4 55.e even 4 1
2475.2.f.e 4 165.l odd 4 1
6336.2.b.s 4 40.i odd 4 1
6336.2.b.s 4 120.w even 4 1
6336.2.b.s 4 440.t even 4 1
6336.2.b.s 4 1320.bn odd 4 1
6336.2.b.t 4 40.k even 4 1
6336.2.b.t 4 120.q odd 4 1
6336.2.b.t 4 440.w odd 4 1
6336.2.b.t 4 1320.bt even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2475, [\chi])\):

\( T_{2}^{2} + 3 \) Copy content Toggle raw display
\( T_{23}^{2} - 8 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + 3)^{4} \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( (T^{2} - 6)^{4} \) Copy content Toggle raw display
$11$ \( (T^{4} + 10 T^{2} + 121)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} - 24)^{4} \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( (T^{2} + 54)^{4} \) Copy content Toggle raw display
$23$ \( (T^{2} - 8)^{4} \) Copy content Toggle raw display
$29$ \( (T^{2} - 48)^{4} \) Copy content Toggle raw display
$31$ \( (T + 4)^{8} \) Copy content Toggle raw display
$37$ \( (T^{2} + 64)^{4} \) Copy content Toggle raw display
$41$ \( (T^{2} - 48)^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} - 6)^{4} \) Copy content Toggle raw display
$47$ \( (T^{2} - 8)^{4} \) Copy content Toggle raw display
$53$ \( (T^{2} - 98)^{4} \) Copy content Toggle raw display
$59$ \( (T^{2} + 128)^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} + 24)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} + 16)^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} + 8)^{4} \) Copy content Toggle raw display
$73$ \( T^{8} \) Copy content Toggle raw display
$79$ \( (T^{2} + 150)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} + 192)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} + 50)^{4} \) Copy content Toggle raw display
$97$ \( (T^{2} + 100)^{4} \) Copy content Toggle raw display
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