Properties

Label 75.10.b.e
Level $75$
Weight $10$
Character orbit 75.b
Analytic conductor $38.628$
Analytic rank $0$
Dimension $4$
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [75,10,Mod(49,75)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("75.49"); S:= CuspForms(chi, 10); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(75, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1])) N = Newforms(chi, 10, names="a")
 
Level: \( N \) \(=\) \( 75 = 3 \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 10 \)
Character orbit: \([\chi]\) \(=\) 75.b (of order \(2\), degree \(1\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,0,0,-3042] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(4)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(38.6276877123\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(i, \sqrt{4729})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 2365x^{2} + 1397124 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 15)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - 9 \beta_{2} + \beta_1) q^{2} + 81 \beta_{2} q^{3} + (19 \beta_{3} - 770) q^{4} + ( - 81 \beta_{3} + 810) q^{6} + (5908 \beta_{2} - 56 \beta_1) q^{7} + (24609 \beta_{2} - 429 \beta_1) q^{8} - 6561 q^{9}+ \cdots + ( - 12807072 \beta_{3} - 110014848) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 3042 q^{4} + 3078 q^{6} - 26244 q^{9} + 70976 q^{11} + 490392 q^{14} + 1414530 q^{16} + 806592 q^{19} - 1923264 q^{21} - 8042814 q^{24} - 3815092 q^{26} + 149144 q^{29} - 10054256 q^{31} - 17721764 q^{34}+ \cdots - 465673536 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 2365x^{2} + 1397124 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} + 1183\nu ) / 1182 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{2} + 1183 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{3} - 1183 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 1182\beta_{2} - 1183\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/75\mathbb{Z}\right)^\times\).

\(n\) \(26\) \(52\)
\(\chi(n)\) \(1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
49.1
34.8839i
33.8839i
33.8839i
34.8839i
43.8839i 81.0000i −1413.79 0 3554.59 7861.50i 39574.2i −6561.00 0
49.2 24.8839i 81.0000i −107.207 0 −2015.59 4010.50i 10072.8i −6561.00 0
49.3 24.8839i 81.0000i −107.207 0 −2015.59 4010.50i 10072.8i −6561.00 0
49.4 43.8839i 81.0000i −1413.79 0 3554.59 7861.50i 39574.2i −6561.00 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 75.10.b.e 4
3.b odd 2 1 225.10.b.g 4
5.b even 2 1 inner 75.10.b.e 4
5.c odd 4 1 15.10.a.c 2
5.c odd 4 1 75.10.a.g 2
15.d odd 2 1 225.10.b.g 4
15.e even 4 1 45.10.a.e 2
15.e even 4 1 225.10.a.j 2
20.e even 4 1 240.10.a.m 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
15.10.a.c 2 5.c odd 4 1
45.10.a.e 2 15.e even 4 1
75.10.a.g 2 5.c odd 4 1
75.10.b.e 4 1.a even 1 1 trivial
75.10.b.e 4 5.b even 2 1 inner
225.10.a.j 2 15.e even 4 1
225.10.b.g 4 3.b odd 2 1
225.10.b.g 4 15.d odd 2 1
240.10.a.m 2 20.e even 4 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} + 2545T_{2}^{2} + 1192464 \) acting on \(S_{10}^{\mathrm{new}}(75, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} + 2545 T^{2} + 1192464 \) Copy content Toggle raw display
$3$ \( (T^{2} + 6561)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + \cdots + 994050095673600 \) Copy content Toggle raw display
$11$ \( (T^{2} - 35488 T - 4189882368)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} + \cdots + 83\!\cdots\!44 \) Copy content Toggle raw display
$17$ \( T^{4} + \cdots + 98\!\cdots\!56 \) Copy content Toggle raw display
$19$ \( (T^{2} - 403296 T + 39554119280)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} + \cdots + 24\!\cdots\!00 \) Copy content Toggle raw display
$29$ \( (T^{2} - 74572 T - 180861933660)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} + 5027128 T - 463313088000)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 83\!\cdots\!00 \) Copy content Toggle raw display
$41$ \( (T^{2} + \cdots - 210775232832060)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} + \cdots + 27\!\cdots\!36 \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots + 43\!\cdots\!76 \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots + 13\!\cdots\!00 \) Copy content Toggle raw display
$59$ \( (T^{2} + \cdots + 57\!\cdots\!60)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + \cdots - 85608279866044)^{2} \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots + 42\!\cdots\!36 \) Copy content Toggle raw display
$71$ \( (T^{2} + \cdots - 45\!\cdots\!56)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} + \cdots + 24\!\cdots\!00 \) Copy content Toggle raw display
$79$ \( (T^{2} + \cdots + 21\!\cdots\!00)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots + 12\!\cdots\!24 \) Copy content Toggle raw display
$89$ \( (T^{2} + \cdots - 89\!\cdots\!40)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots + 50\!\cdots\!16 \) Copy content Toggle raw display
show more
show less