Properties

Label 3900.2.cd.l
Level $3900$
Weight $2$
Character orbit 3900.cd
Analytic conductor $31.142$
Analytic rank $0$
Dimension $8$
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] = [3900,2,Mod(901,3900)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3900, base_ring=CyclotomicField(6))
 
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("3900.901");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3900 = 2^{2} \cdot 3 \cdot 5^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3900.cd (of order \(6\), degree \(2\), 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: \(31.1416567883\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(\zeta_{6})\)
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: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 780)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 \(\zeta_{24}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \zeta_{24}^{4} q^{3} + (\zeta_{24}^{3} - 2 \zeta_{24}^{2} + \zeta_{24}) q^{7} + (\zeta_{24}^{4} - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{24}^{4} q^{3} + (\zeta_{24}^{3} - 2 \zeta_{24}^{2} + \zeta_{24}) q^{7} + (\zeta_{24}^{4} - 1) q^{9} + (\zeta_{24}^{7} + \zeta_{24}^{6} + \cdots - 2) q^{11}+ \cdots + ( - \zeta_{24}^{6} - \zeta_{24}^{5} + \cdots + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 4 q^{3} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 4 q^{3} - 4 q^{9} - 12 q^{11} - 4 q^{17} + 12 q^{19} - 4 q^{23} - 8 q^{27} - 8 q^{29} - 12 q^{33} + 24 q^{37} + 16 q^{43} - 4 q^{49} - 8 q^{51} - 16 q^{53} + 24 q^{59} + 8 q^{61} - 24 q^{67} + 4 q^{69} - 12 q^{71} + 8 q^{77} - 32 q^{79} - 4 q^{81} + 8 q^{87} - 12 q^{89} + 8 q^{91} + 24 q^{93} - 48 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3900\mathbb{Z}\right)^\times\).

\(n\) \(301\) \(1301\) \(1951\) \(3277\)
\(\chi(n)\) \(1 - \zeta_{24}^{4}\) \(1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
901.1
−0.965926 + 0.258819i
0.965926 0.258819i
0.258819 + 0.965926i
−0.258819 0.965926i
−0.965926 0.258819i
0.965926 + 0.258819i
0.258819 0.965926i
−0.258819 + 0.965926i
0 0.500000 0.866025i 0 0 0 −3.40508 + 1.96593i 0 −0.500000 0.866025i 0
901.2 0 0.500000 0.866025i 0 0 0 −0.0590182 + 0.0340742i 0 −0.500000 0.866025i 0
901.3 0 0.500000 0.866025i 0 0 0 1.28376 0.741181i 0 −0.500000 0.866025i 0
901.4 0 0.500000 0.866025i 0 0 0 2.18034 1.25882i 0 −0.500000 0.866025i 0
2701.1 0 0.500000 + 0.866025i 0 0 0 −3.40508 1.96593i 0 −0.500000 + 0.866025i 0
2701.2 0 0.500000 + 0.866025i 0 0 0 −0.0590182 0.0340742i 0 −0.500000 + 0.866025i 0
2701.3 0 0.500000 + 0.866025i 0 0 0 1.28376 + 0.741181i 0 −0.500000 + 0.866025i 0
2701.4 0 0.500000 + 0.866025i 0 0 0 2.18034 + 1.25882i 0 −0.500000 + 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 901.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
13.e even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3900.2.cd.l 8
5.b even 2 1 780.2.cc.b 8
5.c odd 4 1 3900.2.bw.g 8
5.c odd 4 1 3900.2.bw.l 8
13.e even 6 1 inner 3900.2.cd.l 8
15.d odd 2 1 2340.2.dj.c 8
65.l even 6 1 780.2.cc.b 8
65.r odd 12 1 3900.2.bw.g 8
65.r odd 12 1 3900.2.bw.l 8
195.y odd 6 1 2340.2.dj.c 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
780.2.cc.b 8 5.b even 2 1
780.2.cc.b 8 65.l even 6 1
2340.2.dj.c 8 15.d odd 2 1
2340.2.dj.c 8 195.y odd 6 1
3900.2.bw.g 8 5.c odd 4 1
3900.2.bw.g 8 65.r odd 12 1
3900.2.bw.l 8 5.c odd 4 1
3900.2.bw.l 8 65.r odd 12 1
3900.2.cd.l 8 1.a even 1 1 trivial
3900.2.cd.l 8 13.e even 6 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3900, [\chi])\):

\( T_{7}^{8} - 12T_{7}^{6} + 143T_{7}^{4} - 288T_{7}^{3} + 180T_{7}^{2} + 24T_{7} + 1 \) Copy content Toggle raw display
\( T_{11}^{8} + 12T_{11}^{7} + 60T_{11}^{6} + 144T_{11}^{5} + 152T_{11}^{4} - 96T_{11}^{2} + 64 \) Copy content Toggle raw display
\( T_{17}^{8} + 4T_{17}^{7} + 46T_{17}^{6} + 16T_{17}^{5} + 1126T_{17}^{4} + 1672T_{17}^{3} + 6004T_{17}^{2} - 3128T_{17} + 2116 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( (T^{2} - T + 1)^{4} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( T^{8} - 12 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{8} + 12 T^{7} + \cdots + 64 \) Copy content Toggle raw display
$13$ \( T^{8} + 191 T^{4} + 28561 \) Copy content Toggle raw display
$17$ \( T^{8} + 4 T^{7} + \cdots + 2116 \) Copy content Toggle raw display
$19$ \( T^{8} - 12 T^{7} + \cdots + 685584 \) Copy content Toggle raw display
$23$ \( T^{8} + 4 T^{7} + \cdots + 33856 \) Copy content Toggle raw display
$29$ \( T^{8} + 8 T^{7} + \cdots + 21316 \) Copy content Toggle raw display
$31$ \( T^{8} + 84 T^{6} + \cdots + 625 \) Copy content Toggle raw display
$37$ \( T^{8} - 24 T^{7} + \cdots + 160000 \) Copy content Toggle raw display
$41$ \( T^{8} - 6 T^{6} + \cdots + 4 \) Copy content Toggle raw display
$43$ \( T^{8} - 16 T^{7} + \cdots + 36481 \) Copy content Toggle raw display
$47$ \( T^{8} + 252 T^{6} + \cdots + 4268356 \) Copy content Toggle raw display
$53$ \( (T^{4} + 8 T^{3} + \cdots - 128)^{2} \) Copy content Toggle raw display
$59$ \( T^{8} - 24 T^{7} + \cdots + 8836 \) Copy content Toggle raw display
$61$ \( T^{8} - 8 T^{7} + \cdots + 330625 \) Copy content Toggle raw display
$67$ \( T^{8} + 24 T^{7} + \cdots + 13667809 \) Copy content Toggle raw display
$71$ \( T^{8} + 12 T^{7} + \cdots + 2116 \) Copy content Toggle raw display
$73$ \( T^{8} + 392 T^{6} + \cdots + 24690961 \) Copy content Toggle raw display
$79$ \( (T^{2} + 8 T - 11)^{4} \) Copy content Toggle raw display
$83$ \( T^{8} + 360 T^{6} + \cdots + 8248384 \) Copy content Toggle raw display
$89$ \( T^{8} + 12 T^{7} + \cdots + 928908484 \) Copy content Toggle raw display
$97$ \( T^{8} + 48 T^{7} + \cdots + 32615521 \) Copy content Toggle raw display
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