Properties

 Label 2646.2.e.n Level 2646 Weight 2 Character orbit 2646.e Analytic conductor 21.128 Analytic rank 0 Dimension 4 CM no Inner twists 2

Related objects

Newspace parameters

 Level: $$N$$ = $$2646 = 2 \cdot 3^{3} \cdot 7^{2}$$ Weight: $$k$$ = $$2$$ Character orbit: $$[\chi]$$ = 2646.e (of order $$3$$, degree $$2$$, not minimal)

Newform invariants

 Self dual: no Analytic conductor: $$21.1284163748$$ Analytic rank: $$0$$ Dimension: $$4$$ Relative dimension: $$2$$ over $$\Q(\zeta_{3})$$ Coefficient field: $$\Q(\sqrt{-3}, \sqrt{-11})$$ Coefficient ring: $$\Z[a_1, \ldots, a_{13}]$$ Coefficient ring index: $$3$$ Twist minimal: no (minimal twist has level 126) Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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.

 $$f(q)$$ $$=$$ $$q + q^{2} + q^{4} + ( \beta_{1} + \beta_{3} ) q^{5} + q^{8} +O(q^{10})$$ $$q + q^{2} + q^{4} + ( \beta_{1} + \beta_{3} ) q^{5} + q^{8} + ( \beta_{1} + \beta_{3} ) q^{10} + ( 1 - 2 \beta_{1} - \beta_{2} + \beta_{3} ) q^{11} + ( -2 + 2 \beta_{1} ) q^{13} + q^{16} + ( -2 \beta_{1} + \beta_{3} ) q^{17} + ( -5 + 5 \beta_{1} ) q^{19} + ( \beta_{1} + \beta_{3} ) q^{20} + ( 1 - 2 \beta_{1} - \beta_{2} + \beta_{3} ) q^{22} + ( -5 \beta_{1} + \beta_{3} ) q^{23} + ( -7 + 4 \beta_{1} - 3 \beta_{2} + 3 \beta_{3} ) q^{25} + ( -2 + 2 \beta_{1} ) q^{26} + ( -2 \beta_{1} - 2 \beta_{3} ) q^{29} + 2 q^{31} + q^{32} + ( -2 \beta_{1} + \beta_{3} ) q^{34} + ( -2 + 2 \beta_{1} ) q^{37} + ( -5 + 5 \beta_{1} ) q^{38} + ( \beta_{1} + \beta_{3} ) q^{40} + ( 7 - 8 \beta_{1} - \beta_{2} + \beta_{3} ) q^{41} + ( -2 \beta_{1} + 3 \beta_{3} ) q^{43} + ( 1 - 2 \beta_{1} - \beta_{2} + \beta_{3} ) q^{44} + ( -5 \beta_{1} + \beta_{3} ) q^{46} + ( -7 + 4 \beta_{1} - 3 \beta_{2} + 3 \beta_{3} ) q^{50} + ( -2 + 2 \beta_{1} ) q^{52} + ( -2 \beta_{1} - 2 \beta_{3} ) q^{53} -6 q^{55} + ( -2 \beta_{1} - 2 \beta_{3} ) q^{58} + ( 3 + 3 \beta_{2} ) q^{59} + ( -4 + 3 \beta_{2} ) q^{61} + 2 q^{62} + q^{64} + ( -4 - 2 \beta_{2} ) q^{65} + ( 5 - 3 \beta_{2} ) q^{67} + ( -2 \beta_{1} + \beta_{3} ) q^{68} + 3 \beta_{2} q^{71} + ( -2 \beta_{1} - 3 \beta_{3} ) q^{73} + ( -2 + 2 \beta_{1} ) q^{74} + ( -5 + 5 \beta_{1} ) q^{76} + ( 2 - 3 \beta_{2} ) q^{79} + ( \beta_{1} + \beta_{3} ) q^{80} + ( 7 - 8 \beta_{1} - \beta_{2} + \beta_{3} ) q^{82} + ( 4 \beta_{1} + 4 \beta_{3} ) q^{83} + ( -6 + 6 \beta_{1} ) q^{85} + ( -2 \beta_{1} + 3 \beta_{3} ) q^{86} + ( 1 - 2 \beta_{1} - \beta_{2} + \beta_{3} ) q^{88} + ( 10 - 8 \beta_{1} + 2 \beta_{2} - 2 \beta_{3} ) q^{89} + ( -5 \beta_{1} + \beta_{3} ) q^{92} + ( -10 - 5 \beta_{2} ) q^{95} + ( -2 \beta_{1} + 3 \beta_{3} ) q^{97} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$4q + 4q^{2} + 4q^{4} + 3q^{5} + 4q^{8} + O(q^{10})$$ $$4q + 4q^{2} + 4q^{4} + 3q^{5} + 4q^{8} + 3q^{10} + 3q^{11} - 4q^{13} + 4q^{16} - 3q^{17} - 10q^{19} + 3q^{20} + 3q^{22} - 9q^{23} - 11q^{25} - 4q^{26} - 6q^{29} + 8q^{31} + 4q^{32} - 3q^{34} - 4q^{37} - 10q^{38} + 3q^{40} + 15q^{41} - q^{43} + 3q^{44} - 9q^{46} - 11q^{50} - 4q^{52} - 6q^{53} - 24q^{55} - 6q^{58} + 6q^{59} - 22q^{61} + 8q^{62} + 4q^{64} - 12q^{65} + 26q^{67} - 3q^{68} - 6q^{71} - 7q^{73} - 4q^{74} - 10q^{76} + 14q^{79} + 3q^{80} + 15q^{82} + 12q^{83} - 12q^{85} - q^{86} + 3q^{88} + 18q^{89} - 9q^{92} - 30q^{95} - q^{97} + O(q^{100})$$

Basis of coefficient ring in terms of a root $$\nu$$ of $$x^{4} - x^{3} - 2 x^{2} - 3 x + 9$$:

 $$\beta_{0}$$ $$=$$ $$1$$ $$\beta_{1}$$ $$=$$ $$($$$$\nu^{3} + 2 \nu^{2} - 2 \nu - 3$$$$)/6$$ $$\beta_{2}$$ $$=$$ $$($$$$-\nu^{3} + \nu^{2} + 5 \nu$$$$)/3$$ $$\beta_{3}$$ $$=$$ $$($$$$2 \nu^{3} + \nu^{2} + 2 \nu - 9$$$$)/3$$
 $$1$$ $$=$$ $$\beta_0$$ $$\nu$$ $$=$$ $$($$$$\beta_{3} + \beta_{2} - 2 \beta_{1} + 2$$$$)/3$$ $$\nu^{2}$$ $$=$$ $$($$$$-\beta_{3} + 2 \beta_{2} + 8 \beta_{1} + 1$$$$)/3$$ $$\nu^{3}$$ $$=$$ $$($$$$4 \beta_{3} - 2 \beta_{2} - 2 \beta_{1} + 11$$$$)/3$$

Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/2646\mathbb{Z}\right)^\times$$.

 $$n$$ $$785$$ $$1081$$ $$\chi(n)$$ $$-1 + \beta_{1}$$ $$-1 + \beta_{1}$$

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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
1549.1
 −1.18614 − 1.26217i 1.68614 + 0.396143i −1.18614 + 1.26217i 1.68614 − 0.396143i
1.00000 0 1.00000 −0.686141 1.18843i 0 0 1.00000 0 −0.686141 1.18843i
1549.2 1.00000 0 1.00000 2.18614 + 3.78651i 0 0 1.00000 0 2.18614 + 3.78651i
2125.1 1.00000 0 1.00000 −0.686141 + 1.18843i 0 0 1.00000 0 −0.686141 + 1.18843i
2125.2 1.00000 0 1.00000 2.18614 3.78651i 0 0 1.00000 0 2.18614 3.78651i
 $$n$$: 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
63.h even 3 1 inner

Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2646.2.e.n 4
3.b odd 2 1 882.2.e.l 4
7.b odd 2 1 2646.2.e.m 4
7.c even 3 1 378.2.f.c 4
7.c even 3 1 2646.2.h.k 4
7.d odd 6 1 2646.2.f.j 4
7.d odd 6 1 2646.2.h.l 4
9.c even 3 1 2646.2.h.k 4
9.d odd 6 1 882.2.h.m 4
21.c even 2 1 882.2.e.k 4
21.g even 6 1 882.2.f.k 4
21.g even 6 1 882.2.h.n 4
21.h odd 6 1 126.2.f.d 4
21.h odd 6 1 882.2.h.m 4
28.g odd 6 1 3024.2.r.f 4
63.g even 3 1 378.2.f.c 4
63.h even 3 1 1134.2.a.n 2
63.h even 3 1 inner 2646.2.e.n 4
63.i even 6 1 882.2.e.k 4
63.i even 6 1 7938.2.a.bh 2
63.j odd 6 1 882.2.e.l 4
63.j odd 6 1 1134.2.a.k 2
63.k odd 6 1 2646.2.f.j 4
63.l odd 6 1 2646.2.h.l 4
63.n odd 6 1 126.2.f.d 4
63.o even 6 1 882.2.h.n 4
63.s even 6 1 882.2.f.k 4
63.t odd 6 1 2646.2.e.m 4
63.t odd 6 1 7938.2.a.bs 2
84.n even 6 1 1008.2.r.f 4
252.o even 6 1 1008.2.r.f 4
252.u odd 6 1 9072.2.a.bb 2
252.bb even 6 1 9072.2.a.bm 2
252.bl odd 6 1 3024.2.r.f 4

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
126.2.f.d 4 21.h odd 6 1
126.2.f.d 4 63.n odd 6 1
378.2.f.c 4 7.c even 3 1
378.2.f.c 4 63.g even 3 1
882.2.e.k 4 21.c even 2 1
882.2.e.k 4 63.i even 6 1
882.2.e.l 4 3.b odd 2 1
882.2.e.l 4 63.j odd 6 1
882.2.f.k 4 21.g even 6 1
882.2.f.k 4 63.s even 6 1
882.2.h.m 4 9.d odd 6 1
882.2.h.m 4 21.h odd 6 1
882.2.h.n 4 21.g even 6 1
882.2.h.n 4 63.o even 6 1
1008.2.r.f 4 84.n even 6 1
1008.2.r.f 4 252.o even 6 1
1134.2.a.k 2 63.j odd 6 1
1134.2.a.n 2 63.h even 3 1
2646.2.e.m 4 7.b odd 2 1
2646.2.e.m 4 63.t odd 6 1
2646.2.e.n 4 1.a even 1 1 trivial
2646.2.e.n 4 63.h even 3 1 inner
2646.2.f.j 4 7.d odd 6 1
2646.2.f.j 4 63.k odd 6 1
2646.2.h.k 4 7.c even 3 1
2646.2.h.k 4 9.c even 3 1
2646.2.h.l 4 7.d odd 6 1
2646.2.h.l 4 63.l odd 6 1
3024.2.r.f 4 28.g odd 6 1
3024.2.r.f 4 252.bl odd 6 1
7938.2.a.bh 2 63.i even 6 1
7938.2.a.bs 2 63.t odd 6 1
9072.2.a.bb 2 252.u odd 6 1
9072.2.a.bm 2 252.bb even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(2646, [\chi])$$:

 $$T_{5}^{4} - 3 T_{5}^{3} + 15 T_{5}^{2} + 18 T_{5} + 36$$ $$T_{11}^{4} - 3 T_{11}^{3} + 15 T_{11}^{2} + 18 T_{11} + 36$$ $$T_{13}^{2} + 2 T_{13} + 4$$

Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ $$( 1 - T )^{4}$$
$3$ 1
$5$ $$( 1 - 3 T + 5 T^{2} )^{2}( 1 + 3 T + 4 T^{2} + 15 T^{3} + 25 T^{4} )$$
$7$ 1
$11$ $$1 - 3 T - 7 T^{2} + 18 T^{3} + 36 T^{4} + 198 T^{5} - 847 T^{6} - 3993 T^{7} + 14641 T^{8}$$
$13$ $$( 1 - 5 T + 13 T^{2} )^{2}( 1 + 7 T + 13 T^{2} )^{2}$$
$17$ $$1 + 3 T - 19 T^{2} - 18 T^{3} + 342 T^{4} - 306 T^{5} - 5491 T^{6} + 14739 T^{7} + 83521 T^{8}$$
$19$ $$( 1 + 5 T + 6 T^{2} + 95 T^{3} + 361 T^{4} )^{2}$$
$23$ $$( 1 + 9 T + 23 T^{2} )^{2}( 1 - 9 T + 58 T^{2} - 207 T^{3} + 529 T^{4} )$$
$29$ $$1 + 6 T + 2 T^{2} - 144 T^{3} - 729 T^{4} - 4176 T^{5} + 1682 T^{6} + 146334 T^{7} + 707281 T^{8}$$
$31$ $$( 1 - 2 T + 31 T^{2} )^{4}$$
$37$ $$( 1 + 2 T - 33 T^{2} + 74 T^{3} + 1369 T^{4} )^{2}$$
$41$ $$1 - 15 T + 95 T^{2} - 720 T^{3} + 5994 T^{4} - 29520 T^{5} + 159695 T^{6} - 1033815 T^{7} + 2825761 T^{8}$$
$43$ $$1 + T - 11 T^{2} - 74 T^{3} - 1748 T^{4} - 3182 T^{5} - 20339 T^{6} + 79507 T^{7} + 3418801 T^{8}$$
$47$ $$( 1 + 47 T^{2} )^{4}$$
$53$ $$1 + 6 T - 46 T^{2} - 144 T^{3} + 2007 T^{4} - 7632 T^{5} - 129214 T^{6} + 893262 T^{7} + 7890481 T^{8}$$
$59$ $$( 1 - 3 T + 46 T^{2} - 177 T^{3} + 3481 T^{4} )^{2}$$
$61$ $$( 1 + 11 T + 78 T^{2} + 671 T^{3} + 3721 T^{4} )^{2}$$
$67$ $$( 1 - 13 T + 102 T^{2} - 871 T^{3} + 4489 T^{4} )^{2}$$
$71$ $$( 1 + 3 T + 70 T^{2} + 213 T^{3} + 5041 T^{4} )^{2}$$
$73$ $$1 + 7 T - 35 T^{2} - 434 T^{3} - 1850 T^{4} - 31682 T^{5} - 186515 T^{6} + 2723119 T^{7} + 28398241 T^{8}$$
$79$ $$( 1 - 7 T + 96 T^{2} - 553 T^{3} + 6241 T^{4} )^{2}$$
$83$ $$1 - 12 T + 74 T^{2} + 1152 T^{3} - 13941 T^{4} + 95616 T^{5} + 509786 T^{6} - 6861444 T^{7} + 47458321 T^{8}$$
$89$ $$1 - 18 T + 98 T^{2} - 864 T^{3} + 14319 T^{4} - 76896 T^{5} + 776258 T^{6} - 12689442 T^{7} + 62742241 T^{8}$$
$97$ $$1 + T - 119 T^{2} - 74 T^{3} + 4894 T^{4} - 7178 T^{5} - 1119671 T^{6} + 912673 T^{7} + 88529281 T^{8}$$