Finite Group Databasebeta

C79×#19416 #34131105

order20224
nilpotency class3
isoclinismisoclinic class of #19384
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#19416

Subgroups

subgroupG/H
center, socleC22×C79C2×#121
commutator, Frattini, cosocleC42C24×C79
prime radicalC79×#3035C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

694 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 10112

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

(2,5)(3,6)(7,8)(9,10,13,17)(11,15,18,22)(12,14,20,16)(19,21,24,23)(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);(1,2,6,8,4,7,3,5)(11,18)(15,22)(19,24)(21,23);(10,14)(12,20)(15,21)(16,17)(19,24)(22,23);(9,11,13,18)(10,15,17,22)(12,19,20,24)(14,21,16,23)

Conjugacy classes & character table

3871 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 12404);