Properties

Label 2.2.205.1-15.1-f
Base field \(\Q(\sqrt{205}) \)
Weight $[2, 2]$
Level norm $15$
Level $[15, 15, w + 2]$
Dimension $28$
CM no
Base change no

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Base field \(\Q(\sqrt{205}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 51\); narrow class number \(4\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[15, 15, w + 2]$
Dimension: $28$
CM: no
Base change: no
Newspace dimension: $100$

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:

\(x^{28} + 53x^{26} + 1212x^{24} + 15683x^{22} + 126655x^{20} + 665277x^{18} + 2306164x^{16} + 5280412x^{14} + 7943984x^{12} + 7752824x^{10} + 4765216x^{8} + 1730512x^{6} + 322912x^{4} + 21648x^{2} + 256\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
3 $[3, 3, w]$ $\phantom{-}e$
3 $[3, 3, w + 2]$ $...$
4 $[4, 2, 2]$ $...$
5 $[5, 5, -w + 8]$ $\phantom{-}1$
7 $[7, 7, w + 1]$ $...$
7 $[7, 7, w + 5]$ $...$
13 $[13, 13, w + 3]$ $...$
13 $[13, 13, w + 9]$ $...$
17 $[17, 17, w]$ $...$
17 $[17, 17, w + 16]$ $...$
31 $[31, 31, -w - 4]$ $...$
31 $[31, 31, w - 5]$ $...$
41 $[41, 41, 3w - 22]$ $...$
47 $[47, 47, w + 19]$ $...$
47 $[47, 47, w + 27]$ $...$
53 $[53, 53, w + 14]$ $...$
53 $[53, 53, w + 38]$ $...$
59 $[59, 59, -w - 10]$ $...$
59 $[59, 59, w - 11]$ $...$
61 $[61, 61, 2w - 13]$ $...$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$3$ $[3, 3, w + 2]$ $\frac{1044318246797}{54698742050752}e^{27} + \frac{54294605347941}{54698742050752}e^{25} + \frac{151369433234479}{6837342756344}e^{23} + \frac{15157947884580943}{54698742050752}e^{21} + \frac{117010271987362399}{54698742050752}e^{19} + \frac{577077702801269869}{54698742050752}e^{17} + \frac{28567168603714811}{854667844543}e^{15} + \frac{919138111747295317}{13674685512688}e^{13} + \frac{143587672992425169}{1709335689086}e^{11} + \frac{431072370477280669}{6837342756344}e^{9} + \frac{90217177311707281}{3418671378172}e^{7} + \frac{17443188036453445}{3418671378172}e^{5} + \frac{359341007195591}{1709335689086}e^{3} - \frac{20915945993651}{3418671378172}e$
$5$ $[5, 5, -w + 8]$ $-1$