Finite Group Databasebeta

C79×#24031 #34135720

order20224
nilpotency class3
isoclinismisoclinic class of #23876
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#24031

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC79×#3488C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C79 ◁ C23×C4×C79 ◁ G

1334 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 4 generators on 103 points:

(1,2)(3,6)(4,5)(7,8)(9,10)(11,19)(12,18)(13,17)(14,16)(15,20)(21,24)(22,23)(25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103);(2,5)(6,8)(9,10,13,17)(11,19,21,24)(12,16,14,18)(15,20,23,22);(1,3,4,7)(2,6,5,8)(9,11,13,21)(10,15,17,23)(12,20,14,22)(16,19,18,24);(2,5)(6,8)(9,12,13,14)(10,16,17,18)(11,20,21,22)(15,19,23,24)

Conjugacy classes & character table

3397 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 17019);