Properties

 Label 1225.2.b.k Level $1225$ Weight $2$ Character orbit 1225.b Analytic conductor $9.782$ Analytic rank $0$ Dimension $4$ CM no Inner twists $2$

Related objects

Newspace parameters

 Level: $$N$$ $$=$$ $$1225 = 5^{2} \cdot 7^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1225.b (of order $$2$$, degree $$1$$, not minimal)

Newform invariants

 Self dual: no Analytic conductor: $$9.78167424761$$ Analytic rank: $$0$$ Dimension: $$4$$ Coefficient field: $$\Q(i, \sqrt{5})$$ Defining polynomial: $$x^{4} + 3 x^{2} + 1$$ Coefficient ring: $$\Z[a_1, a_2]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 175) Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

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.

 $$f(q)$$ $$=$$ $$q + \beta_{1} q^{2} + ( 2 \beta_{1} + 2 \beta_{3} ) q^{3} + ( 1 + \beta_{2} ) q^{4} -2 q^{6} + ( 2 \beta_{1} + \beta_{3} ) q^{8} + ( -5 - 4 \beta_{2} ) q^{9} +O(q^{10})$$ $$q + \beta_{1} q^{2} + ( 2 \beta_{1} + 2 \beta_{3} ) q^{3} + ( 1 + \beta_{2} ) q^{4} -2 q^{6} + ( 2 \beta_{1} + \beta_{3} ) q^{8} + ( -5 - 4 \beta_{2} ) q^{9} + ( 1 - 2 \beta_{2} ) q^{11} + ( 2 \beta_{1} + 4 \beta_{3} ) q^{12} -2 \beta_{1} q^{13} + 3 \beta_{2} q^{16} + 4 \beta_{1} q^{17} + ( -\beta_{1} - 4 \beta_{3} ) q^{18} + ( -2 - 4 \beta_{2} ) q^{19} + ( 3 \beta_{1} - 2 \beta_{3} ) q^{22} + ( 2 \beta_{1} + 5 \beta_{3} ) q^{23} + ( -6 - 2 \beta_{2} ) q^{24} + ( 2 - 2 \beta_{2} ) q^{26} + ( -4 \beta_{1} - 12 \beta_{3} ) q^{27} -5 q^{29} -6 \beta_{2} q^{31} + ( \beta_{1} + 5 \beta_{3} ) q^{32} + ( 2 \beta_{1} - 2 \beta_{3} ) q^{33} + ( -4 + 4 \beta_{2} ) q^{34} + ( -9 - 5 \beta_{2} ) q^{36} -3 \beta_{3} q^{37} + ( 2 \beta_{1} - 4 \beta_{3} ) q^{38} + 4 q^{39} + ( -6 + 2 \beta_{2} ) q^{41} + ( -2 \beta_{1} + 3 \beta_{3} ) q^{43} + ( -1 + \beta_{2} ) q^{44} + ( -2 - 3 \beta_{2} ) q^{46} -2 \beta_{3} q^{47} + 6 \beta_{3} q^{48} -8 q^{51} -2 \beta_{3} q^{52} + ( 4 \beta_{1} + 6 \beta_{3} ) q^{53} + ( 4 + 8 \beta_{2} ) q^{54} + ( -4 \beta_{1} - 12 \beta_{3} ) q^{57} -5 \beta_{1} q^{58} + ( 8 + 6 \beta_{2} ) q^{59} + ( 6 + 6 \beta_{2} ) q^{61} + ( 6 \beta_{1} - 6 \beta_{3} ) q^{62} + ( -1 + 2 \beta_{2} ) q^{64} + ( -2 + 4 \beta_{2} ) q^{66} + ( 2 \beta_{1} + 3 \beta_{3} ) q^{67} + 4 \beta_{3} q^{68} + ( -14 - 10 \beta_{2} ) q^{69} + ( 5 + 6 \beta_{2} ) q^{71} + ( -6 \beta_{1} - 13 \beta_{3} ) q^{72} + ( -2 \beta_{1} + 10 \beta_{3} ) q^{73} + 3 \beta_{2} q^{74} + ( -6 - 2 \beta_{2} ) q^{76} + 4 \beta_{1} q^{78} + ( 5 + 10 \beta_{2} ) q^{79} + ( 17 + 12 \beta_{2} ) q^{81} + ( -8 \beta_{1} + 2 \beta_{3} ) q^{82} + ( 6 \beta_{1} + 4 \beta_{3} ) q^{83} + ( 2 - 5 \beta_{2} ) q^{86} + ( -10 \beta_{1} - 10 \beta_{3} ) q^{87} + ( 4 \beta_{1} - 3 \beta_{3} ) q^{88} + ( 16 + 2 \beta_{2} ) q^{89} + ( 5 \beta_{1} + 7 \beta_{3} ) q^{92} -12 \beta_{3} q^{93} + 2 \beta_{2} q^{94} + ( -12 - 10 \beta_{2} ) q^{96} + ( 2 \beta_{1} + 4 \beta_{3} ) q^{97} + ( 3 - 2 \beta_{2} ) q^{99} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$4 q + 2 q^{4} - 8 q^{6} - 12 q^{9} + O(q^{10})$$ $$4 q + 2 q^{4} - 8 q^{6} - 12 q^{9} + 8 q^{11} - 6 q^{16} - 20 q^{24} + 12 q^{26} - 20 q^{29} + 12 q^{31} - 24 q^{34} - 26 q^{36} + 16 q^{39} - 28 q^{41} - 6 q^{44} - 2 q^{46} - 32 q^{51} + 20 q^{59} + 12 q^{61} - 8 q^{64} - 16 q^{66} - 36 q^{69} + 8 q^{71} - 6 q^{74} - 20 q^{76} + 44 q^{81} + 18 q^{86} + 60 q^{89} - 4 q^{94} - 28 q^{96} + 16 q^{99} + O(q^{100})$$

Basis of coefficient ring in terms of a root $$\nu$$ of $$x^{4} + 3 x^{2} + 1$$:

 $$\beta_{0}$$ $$=$$ $$1$$ $$\beta_{1}$$ $$=$$ $$\nu$$ $$\beta_{2}$$ $$=$$ $$\nu^{2} + 1$$ $$\beta_{3}$$ $$=$$ $$\nu^{3} + 2 \nu$$
 $$1$$ $$=$$ $$\beta_0$$ $$\nu$$ $$=$$ $$\beta_{1}$$ $$\nu^{2}$$ $$=$$ $$\beta_{2} - 1$$ $$\nu^{3}$$ $$=$$ $$\beta_{3} - 2 \beta_{1}$$

Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/1225\mathbb{Z}\right)^\times$$.

 $$n$$ $$101$$ $$1177$$ $$\chi(n)$$ $$1$$ $$-1$$

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.

Label $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
99.1
 − 1.61803i − 0.618034i 0.618034i 1.61803i
1.61803i 1.23607i −0.618034 0 −2.00000 0 2.23607i 1.47214 0
99.2 0.618034i 3.23607i 1.61803 0 −2.00000 0 2.23607i −7.47214 0
99.3 0.618034i 3.23607i 1.61803 0 −2.00000 0 2.23607i −7.47214 0
99.4 1.61803i 1.23607i −0.618034 0 −2.00000 0 2.23607i 1.47214 0
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

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 1225.2.b.k 4
5.b even 2 1 inner 1225.2.b.k 4
5.c odd 4 1 1225.2.a.n 2
5.c odd 4 1 1225.2.a.u 2
7.b odd 2 1 175.2.b.c 4
21.c even 2 1 1575.2.d.k 4
28.d even 2 1 2800.2.g.s 4
35.c odd 2 1 175.2.b.c 4
35.f even 4 1 175.2.a.d 2
35.f even 4 1 175.2.a.e yes 2
105.g even 2 1 1575.2.d.k 4
105.k odd 4 1 1575.2.a.n 2
105.k odd 4 1 1575.2.a.s 2
140.c even 2 1 2800.2.g.s 4
140.j odd 4 1 2800.2.a.bh 2
140.j odd 4 1 2800.2.a.bp 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
175.2.a.d 2 35.f even 4 1
175.2.a.e yes 2 35.f even 4 1
175.2.b.c 4 7.b odd 2 1
175.2.b.c 4 35.c odd 2 1
1225.2.a.n 2 5.c odd 4 1
1225.2.a.u 2 5.c odd 4 1
1225.2.b.k 4 1.a even 1 1 trivial
1225.2.b.k 4 5.b even 2 1 inner
1575.2.a.n 2 105.k odd 4 1
1575.2.a.s 2 105.k odd 4 1
1575.2.d.k 4 21.c even 2 1
1575.2.d.k 4 105.g even 2 1
2800.2.a.bh 2 140.j odd 4 1
2800.2.a.bp 2 140.j odd 4 1
2800.2.g.s 4 28.d even 2 1
2800.2.g.s 4 140.c even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(1225, [\chi])$$:

 $$T_{2}^{4} + 3 T_{2}^{2} + 1$$ $$T_{19}^{2} - 20$$ $$T_{31}^{2} - 6 T_{31} - 36$$

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$1 + 3 T^{2} + T^{4}$$
$3$ $$16 + 12 T^{2} + T^{4}$$
$5$ $$T^{4}$$
$7$ $$T^{4}$$
$11$ $$( -1 - 4 T + T^{2} )^{2}$$
$13$ $$16 + 12 T^{2} + T^{4}$$
$17$ $$256 + 48 T^{2} + T^{4}$$
$19$ $$( -20 + T^{2} )^{2}$$
$23$ $$121 + 42 T^{2} + T^{4}$$
$29$ $$( 5 + T )^{4}$$
$31$ $$( -36 - 6 T + T^{2} )^{2}$$
$37$ $$( 9 + T^{2} )^{2}$$
$41$ $$( 44 + 14 T + T^{2} )^{2}$$
$43$ $$121 + 42 T^{2} + T^{4}$$
$47$ $$( 4 + T^{2} )^{2}$$
$53$ $$16 + 72 T^{2} + T^{4}$$
$59$ $$( -20 - 10 T + T^{2} )^{2}$$
$61$ $$( -36 - 6 T + T^{2} )^{2}$$
$67$ $$1 + 18 T^{2} + T^{4}$$
$71$ $$( -41 - 4 T + T^{2} )^{2}$$
$73$ $$13456 + 252 T^{2} + T^{4}$$
$79$ $$( -125 + T^{2} )^{2}$$
$83$ $$1936 + 92 T^{2} + T^{4}$$
$89$ $$( 220 - 30 T + T^{2} )^{2}$$
$97$ $$16 + 28 T^{2} + T^{4}$$