Properties

Label 93.3.o.a
Level $93$
Weight $3$
Character orbit 93.o
Analytic conductor $2.534$
Analytic rank $0$
Dimension $8$
CM discriminant -3
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [93,3,Mod(14,93)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(93, base_ring=CyclotomicField(30))
 
chi = DirichletCharacter(H, H._module([15, 22]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("93.14");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 93 = 3 \cdot 31 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 93.o (of order \(30\), degree \(8\), 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: \(2.53406645855\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\Q(\zeta_{15})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{7} + x^{5} - x^{4} + x^{3} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{30}]$

$q$-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 \(\zeta_{15}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 3 \zeta_{15}^{4} q^{3} + ( - 4 \zeta_{15}^{7} - 4 \zeta_{15}^{2}) q^{4} + (3 \zeta_{15}^{7} + 8 \zeta_{15}^{6} + \cdots - 3) q^{7} + \cdots + (9 \zeta_{15}^{7} - 9 \zeta_{15}^{5} + \cdots - 9) q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - 3 \zeta_{15}^{4} q^{3} + ( - 4 \zeta_{15}^{7} - 4 \zeta_{15}^{2}) q^{4} + (3 \zeta_{15}^{7} + 8 \zeta_{15}^{6} + \cdots - 3) q^{7} + \cdots + ( - 112 \zeta_{15}^{7} + \cdots - 112 \zeta_{15}^{2}) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 3 q^{3} - 8 q^{4} + 2 q^{7} + 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 3 q^{3} - 8 q^{4} + 2 q^{7} + 9 q^{9} - 12 q^{12} - q^{13} - 32 q^{16} + 11 q^{19} + 189 q^{21} - 100 q^{25} + 54 q^{27} - 252 q^{28} + 46 q^{31} - 144 q^{36} + 47 q^{37} + 9 q^{39} + 354 q^{43} - 48 q^{48} - 45 q^{49} - 4 q^{52} - 33 q^{57} - 148 q^{61} - 36 q^{63} - 128 q^{64} + 122 q^{67} + 143 q^{73} - 75 q^{75} + 564 q^{76} - 87 q^{79} + 81 q^{81} - 24 q^{84} - 901 q^{91} - 39 q^{93} - 507 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/93\mathbb{Z}\right)^\times\).

\(n\) \(32\) \(34\)
\(\chi(n)\) \(-1\) \(-1 + \zeta_{15} - \zeta_{15}^{3} + \zeta_{15}^{4} - \zeta_{15}^{5} + \zeta_{15}^{7}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
14.1
−0.978148 + 0.207912i
−0.978148 0.207912i
0.669131 0.743145i
0.913545 0.406737i
−0.104528 + 0.994522i
0.913545 + 0.406737i
0.669131 + 0.743145i
−0.104528 0.994522i
0 −2.00739 + 2.22943i −3.23607 2.35114i 0 0 1.31290 12.4914i 0 −0.940756 8.95070i 0
20.1 0 −2.00739 2.22943i −3.23607 + 2.35114i 0 0 1.31290 + 12.4914i 0 −0.940756 + 8.95070i 0
38.1 0 2.93444 0.623735i −3.23607 + 2.35114i 0 0 12.6035 + 5.61144i 0 8.22191 3.66063i 0
41.1 0 0.313585 + 2.98357i 1.23607 + 3.80423i 0 0 −6.38394 1.35695i 0 −8.80333 + 1.87121i 0
50.1 0 −2.74064 1.22021i 1.23607 + 3.80423i 0 0 −6.53247 + 7.25504i 0 6.02218 + 6.68830i 0
59.1 0 0.313585 2.98357i 1.23607 3.80423i 0 0 −6.38394 + 1.35695i 0 −8.80333 1.87121i 0
71.1 0 2.93444 + 0.623735i −3.23607 2.35114i 0 0 12.6035 5.61144i 0 8.22191 + 3.66063i 0
80.1 0 −2.74064 + 1.22021i 1.23607 3.80423i 0 0 −6.53247 7.25504i 0 6.02218 6.68830i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 14.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
31.g even 15 1 inner
93.o odd 30 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 93.3.o.a 8
3.b odd 2 1 CM 93.3.o.a 8
31.g even 15 1 inner 93.3.o.a 8
93.o odd 30 1 inner 93.3.o.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
93.3.o.a 8 1.a even 1 1 trivial
93.3.o.a 8 3.b odd 2 1 CM
93.3.o.a 8 31.g even 15 1 inner
93.3.o.a 8 93.o odd 30 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2} \) acting on \(S_{3}^{\mathrm{new}}(93, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} + 3 T^{7} + \cdots + 6561 \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( T^{8} - 2 T^{7} + \cdots + 121903681 \) Copy content Toggle raw display
$11$ \( T^{8} \) Copy content Toggle raw display
$13$ \( T^{8} + \cdots + 20152925521 \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( T^{8} + \cdots + 200561561281 \) Copy content Toggle raw display
$23$ \( T^{8} \) Copy content Toggle raw display
$29$ \( T^{8} \) Copy content Toggle raw display
$31$ \( T^{8} + \cdots + 852891037441 \) Copy content Toggle raw display
$37$ \( T^{8} + \cdots + 757107074161 \) Copy content Toggle raw display
$41$ \( T^{8} \) Copy content Toggle raw display
$43$ \( T^{8} + \cdots + 11977129718401 \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( T^{8} \) Copy content Toggle raw display
$59$ \( T^{8} \) Copy content Toggle raw display
$61$ \( (T^{4} + 74 T^{3} + \cdots - 2665199)^{2} \) Copy content Toggle raw display
$67$ \( T^{8} + \cdots + 138823041017761 \) Copy content Toggle raw display
$71$ \( T^{8} \) Copy content Toggle raw display
$73$ \( T^{8} + \cdots + 233759667218401 \) Copy content Toggle raw display
$79$ \( T^{8} + \cdots + 777312187541761 \) Copy content Toggle raw display
$83$ \( T^{8} \) Copy content Toggle raw display
$89$ \( T^{8} \) Copy content Toggle raw display
$97$ \( T^{8} + \cdots + 72\!\cdots\!61 \) Copy content Toggle raw display
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