Properties

Label 405.3.l.d
Level $405$
Weight $3$
Character orbit 405.l
Analytic conductor $11.035$
Analytic rank $0$
Dimension $4$
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] = [405,3,Mod(28,405)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(405, base_ring=CyclotomicField(12))
 
chi = DirichletCharacter(H, H._module([4, 9]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("405.28");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 405 = 3^{4} \cdot 5 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 405.l (of order \(12\), degree \(4\), 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: \(11.0354507066\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{12})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{12}]$

$q$-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 \(\zeta_{12}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \zeta_{12} + 1) q^{2} + (\zeta_{12}^{2} + 2 \zeta_{12} + 1) q^{4} - 5 q^{5} + (3 \zeta_{12}^{3} + 3 \zeta_{12}^{2} + \cdots + 4) q^{7}+ \cdots + ( - \zeta_{12}^{3} - 5 \zeta_{12}^{2} + \cdots + 1) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \zeta_{12} + 1) q^{2} + (\zeta_{12}^{2} + 2 \zeta_{12} + 1) q^{4} - 5 q^{5} + (3 \zeta_{12}^{3} + 3 \zeta_{12}^{2} + \cdots + 4) q^{7}+ \cdots + ( - 40 \zeta_{12}^{3} + 65 \zeta_{12}^{2} + \cdots + 40) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 4 q^{2} + 6 q^{4} - 20 q^{5} + 22 q^{7} - 6 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 4 q^{2} + 6 q^{4} - 20 q^{5} + 22 q^{7} - 6 q^{8} - 20 q^{10} + 2 q^{11} + 40 q^{13} + 42 q^{14} - 2 q^{16} + 58 q^{17} - 30 q^{20} + 2 q^{22} + 34 q^{23} + 100 q^{25} + 80 q^{26} - 16 q^{28} - 48 q^{29} - 52 q^{31} + 46 q^{32} + 114 q^{34} - 110 q^{35} - 26 q^{37} - 30 q^{38} + 30 q^{40} - 52 q^{41} + 106 q^{43} + 68 q^{46} - 20 q^{47} + 240 q^{49} + 100 q^{50} - 38 q^{52} + 88 q^{53} - 10 q^{55} - 90 q^{56} + 12 q^{58} - 156 q^{59} + 2 q^{61} + 56 q^{62} - 200 q^{65} + 58 q^{67} + 2 q^{68} - 210 q^{70} - 268 q^{71} - 158 q^{73} + 42 q^{74} + 6 q^{76} + 56 q^{77} - 138 q^{79} + 10 q^{80} + 20 q^{82} + 256 q^{83} - 290 q^{85} + 26 q^{86} - 6 q^{88} + 332 q^{91} - 62 q^{92} - 84 q^{94} + 286 q^{97} + 290 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/405\mathbb{Z}\right)^\times\).

\(n\) \(82\) \(326\)
\(\chi(n)\) \(\zeta_{12}^{3}\) \(-1 + \zeta_{12}^{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
28.1
−0.866025 0.500000i
−0.866025 + 0.500000i
0.866025 0.500000i
0.866025 + 0.500000i
1.86603 + 0.500000i 0 −0.232051 0.133975i −5.00000 0 11.5622 + 3.09808i −5.83013 5.83013i 0 −9.33013 2.50000i
217.1 1.86603 0.500000i 0 −0.232051 + 0.133975i −5.00000 0 11.5622 3.09808i −5.83013 + 5.83013i 0 −9.33013 + 2.50000i
298.1 0.133975 + 0.500000i 0 3.23205 1.86603i −5.00000 0 −0.562178 2.09808i 2.83013 + 2.83013i 0 −0.669873 2.50000i
352.1 0.133975 0.500000i 0 3.23205 + 1.86603i −5.00000 0 −0.562178 + 2.09808i 2.83013 2.83013i 0 −0.669873 + 2.50000i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
45.k odd 12 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 405.3.l.d 4
3.b odd 2 1 405.3.l.a 4
5.c odd 4 1 405.3.l.b 4
9.c even 3 1 405.3.g.a 4
9.c even 3 1 405.3.l.b 4
9.d odd 6 1 405.3.g.b yes 4
9.d odd 6 1 405.3.l.c 4
15.e even 4 1 405.3.l.c 4
45.k odd 12 1 405.3.g.a 4
45.k odd 12 1 inner 405.3.l.d 4
45.l even 12 1 405.3.g.b yes 4
45.l even 12 1 405.3.l.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
405.3.g.a 4 9.c even 3 1
405.3.g.a 4 45.k odd 12 1
405.3.g.b yes 4 9.d odd 6 1
405.3.g.b yes 4 45.l even 12 1
405.3.l.a 4 3.b odd 2 1
405.3.l.a 4 45.l even 12 1
405.3.l.b 4 5.c odd 4 1
405.3.l.b 4 9.c even 3 1
405.3.l.c 4 9.d odd 6 1
405.3.l.c 4 15.e even 4 1
405.3.l.d 4 1.a even 1 1 trivial
405.3.l.d 4 45.k odd 12 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} - 4T_{2}^{3} + 5T_{2}^{2} - 2T_{2} + 1 \) acting on \(S_{3}^{\mathrm{new}}(405, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} - 4 T^{3} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( (T + 5)^{4} \) Copy content Toggle raw display
$7$ \( T^{4} - 22 T^{3} + \cdots + 676 \) Copy content Toggle raw display
$11$ \( T^{4} - 2 T^{3} + \cdots + 676 \) Copy content Toggle raw display
$13$ \( T^{4} - 40 T^{3} + \cdots + 64009 \) Copy content Toggle raw display
$17$ \( T^{4} - 58 T^{3} + \cdots + 89401 \) Copy content Toggle raw display
$19$ \( T^{4} + 936T^{2} + 324 \) Copy content Toggle raw display
$23$ \( T^{4} - 34 T^{3} + \cdots + 81796 \) Copy content Toggle raw display
$29$ \( T^{4} + 48 T^{3} + \cdots + 1089 \) Copy content Toggle raw display
$31$ \( T^{4} + 52 T^{3} + \cdots + 87616 \) Copy content Toggle raw display
$37$ \( T^{4} + 26 T^{3} + \cdots + 1018081 \) Copy content Toggle raw display
$41$ \( T^{4} + 52 T^{3} + \cdots + 59536 \) Copy content Toggle raw display
$43$ \( T^{4} - 106 T^{3} + \cdots + 5476 \) Copy content Toggle raw display
$47$ \( T^{4} + 20 T^{3} + \cdots + 238144 \) Copy content Toggle raw display
$53$ \( T^{4} - 88 T^{3} + \cdots + 145924 \) Copy content Toggle raw display
$59$ \( T^{4} + 156 T^{3} + \cdots + 3968064 \) Copy content Toggle raw display
$61$ \( T^{4} - 2 T^{3} + \cdots + 942841 \) Copy content Toggle raw display
$67$ \( T^{4} - 58 T^{3} + \cdots + 4169764 \) Copy content Toggle raw display
$71$ \( (T^{2} + 134 T + 3166)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} + 158 T^{3} + \cdots + 703921 \) Copy content Toggle raw display
$79$ \( T^{4} + 138 T^{3} + \cdots + 2762244 \) Copy content Toggle raw display
$83$ \( T^{4} - 256 T^{3} + \cdots + 46895104 \) Copy content Toggle raw display
$89$ \( T^{4} + 30582 T^{2} + 9865881 \) Copy content Toggle raw display
$97$ \( T^{4} - 286 T^{3} + \cdots + 19909444 \) Copy content Toggle raw display
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