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A rigid local system with monodromy group 2.J2.

Authors :
Katz, Nicholas M.
Rojas-León, Antonio
Source :
Finite Fields & Their Applications. May2019, Vol. 57, p276-286. 11p.
Publication Year :
2019

Abstract

Abstract We exhibit a rigid local system of rank six on the affine line in characteristic p = 5 whose arithmetic and geometric monodromy groups are the finite group 2. J 2 (J 2 the Hall-Janko sporadic group) in one of its two (Galois-conjugate) irreducible representation of degree six. [ABSTRACT FROM AUTHOR]

Subjects

Subjects :
*FINITE groups
*MONODROMY groups
*EXPONENTIAL sums

Details

Language :
English
ISSN :
10715797
Volume :
57
Database :
Academic Search Index
Journal :
Finite Fields & Their Applications
Publication Type :
Academic Journal
Accession number :
135602278
Full Text :
https://doi.org/10.1016/j.ffa.2019.02.008
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