Properties

Label 735.2.i.c
Level $735$
Weight $2$
Character orbit 735.i
Analytic conductor $5.869$
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] = [735,2,Mod(226,735)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(735, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("735.226");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 735 = 3 \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 735.i (of order \(3\), degree \(2\), 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: \(5.86900454856\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x + 1 \) 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 105)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 primitive root of unity \(\zeta_{6}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \zeta_{6} + 1) q^{3} + ( - 2 \zeta_{6} + 2) q^{4} - \zeta_{6} q^{5} - \zeta_{6} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + ( - \zeta_{6} + 1) q^{3} + ( - 2 \zeta_{6} + 2) q^{4} - \zeta_{6} q^{5} - \zeta_{6} q^{9} - 2 \zeta_{6} q^{12} + q^{13} - q^{15} - 4 \zeta_{6} q^{16} + ( - 6 \zeta_{6} + 6) q^{17} + 5 \zeta_{6} q^{19} - 2 q^{20} - 6 \zeta_{6} q^{23} + (\zeta_{6} - 1) q^{25} - q^{27} - 6 q^{29} + ( - 5 \zeta_{6} + 5) q^{31} - 2 q^{36} + 7 \zeta_{6} q^{37} + ( - \zeta_{6} + 1) q^{39} - 12 q^{41} - q^{43} + (\zeta_{6} - 1) q^{45} + 6 \zeta_{6} q^{47} - 4 q^{48} - 6 \zeta_{6} q^{51} + ( - 2 \zeta_{6} + 2) q^{52} + 5 q^{57} + (6 \zeta_{6} - 6) q^{59} + (2 \zeta_{6} - 2) q^{60} + 2 \zeta_{6} q^{61} - 8 q^{64} - \zeta_{6} q^{65} + ( - 7 \zeta_{6} + 7) q^{67} - 12 \zeta_{6} q^{68} - 6 q^{69} + 12 q^{71} + ( - 11 \zeta_{6} + 11) q^{73} + \zeta_{6} q^{75} + 10 q^{76} + 13 \zeta_{6} q^{79} + (4 \zeta_{6} - 4) q^{80} + (\zeta_{6} - 1) q^{81} + 12 q^{83} - 6 q^{85} + (6 \zeta_{6} - 6) q^{87} + 6 \zeta_{6} q^{89} - 12 q^{92} - 5 \zeta_{6} q^{93} + ( - 5 \zeta_{6} + 5) q^{95} + 10 q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + q^{3} + 2 q^{4} - q^{5} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + q^{3} + 2 q^{4} - q^{5} - q^{9} - 2 q^{12} + 2 q^{13} - 2 q^{15} - 4 q^{16} + 6 q^{17} + 5 q^{19} - 4 q^{20} - 6 q^{23} - q^{25} - 2 q^{27} - 12 q^{29} + 5 q^{31} - 4 q^{36} + 7 q^{37} + q^{39} - 24 q^{41} - 2 q^{43} - q^{45} + 6 q^{47} - 8 q^{48} - 6 q^{51} + 2 q^{52} + 10 q^{57} - 6 q^{59} - 2 q^{60} + 2 q^{61} - 16 q^{64} - q^{65} + 7 q^{67} - 12 q^{68} - 12 q^{69} + 24 q^{71} + 11 q^{73} + q^{75} + 20 q^{76} + 13 q^{79} - 4 q^{80} - q^{81} + 24 q^{83} - 12 q^{85} - 6 q^{87} + 6 q^{89} - 24 q^{92} - 5 q^{93} + 5 q^{95} + 20 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/735\mathbb{Z}\right)^\times\).

\(n\) \(346\) \(442\) \(491\)
\(\chi(n)\) \(-\zeta_{6}\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
226.1
0.500000 0.866025i
0.500000 + 0.866025i
0 0.500000 + 0.866025i 1.00000 + 1.73205i −0.500000 + 0.866025i 0 0 0 −0.500000 + 0.866025i 0
361.1 0 0.500000 0.866025i 1.00000 1.73205i −0.500000 0.866025i 0 0 0 −0.500000 0.866025i 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
7.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 735.2.i.c 2
7.b odd 2 1 105.2.i.a 2
7.c even 3 1 735.2.a.d 1
7.c even 3 1 inner 735.2.i.c 2
7.d odd 6 1 105.2.i.a 2
7.d odd 6 1 735.2.a.e 1
21.c even 2 1 315.2.j.b 2
21.g even 6 1 315.2.j.b 2
21.g even 6 1 2205.2.a.f 1
21.h odd 6 1 2205.2.a.d 1
28.d even 2 1 1680.2.bg.m 2
28.f even 6 1 1680.2.bg.m 2
35.c odd 2 1 525.2.i.c 2
35.f even 4 2 525.2.r.b 4
35.i odd 6 1 525.2.i.c 2
35.i odd 6 1 3675.2.a.h 1
35.j even 6 1 3675.2.a.i 1
35.k even 12 2 525.2.r.b 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
105.2.i.a 2 7.b odd 2 1
105.2.i.a 2 7.d odd 6 1
315.2.j.b 2 21.c even 2 1
315.2.j.b 2 21.g even 6 1
525.2.i.c 2 35.c odd 2 1
525.2.i.c 2 35.i odd 6 1
525.2.r.b 4 35.f even 4 2
525.2.r.b 4 35.k even 12 2
735.2.a.d 1 7.c even 3 1
735.2.a.e 1 7.d odd 6 1
735.2.i.c 2 1.a even 1 1 trivial
735.2.i.c 2 7.c even 3 1 inner
1680.2.bg.m 2 28.d even 2 1
1680.2.bg.m 2 28.f even 6 1
2205.2.a.d 1 21.h odd 6 1
2205.2.a.f 1 21.g even 6 1
3675.2.a.h 1 35.i odd 6 1
3675.2.a.i 1 35.j even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(735, [\chi])\):

\( T_{2} \) Copy content Toggle raw display
\( T_{13} - 1 \) Copy content Toggle raw display
\( T_{17}^{2} - 6T_{17} + 36 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} - T + 1 \) Copy content Toggle raw display
$5$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} \) Copy content Toggle raw display
$13$ \( (T - 1)^{2} \) Copy content Toggle raw display
$17$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$19$ \( T^{2} - 5T + 25 \) Copy content Toggle raw display
$23$ \( T^{2} + 6T + 36 \) Copy content Toggle raw display
$29$ \( (T + 6)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} - 5T + 25 \) Copy content Toggle raw display
$37$ \( T^{2} - 7T + 49 \) Copy content Toggle raw display
$41$ \( (T + 12)^{2} \) Copy content Toggle raw display
$43$ \( (T + 1)^{2} \) Copy content Toggle raw display
$47$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$53$ \( T^{2} \) Copy content Toggle raw display
$59$ \( T^{2} + 6T + 36 \) Copy content Toggle raw display
$61$ \( T^{2} - 2T + 4 \) Copy content Toggle raw display
$67$ \( T^{2} - 7T + 49 \) Copy content Toggle raw display
$71$ \( (T - 12)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} - 11T + 121 \) Copy content Toggle raw display
$79$ \( T^{2} - 13T + 169 \) Copy content Toggle raw display
$83$ \( (T - 12)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$97$ \( (T - 10)^{2} \) Copy content Toggle raw display
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