Finite Group Databasebeta

C79×#25689 #34137378

order20224
nilpotency class3
isoclinismisoclinic class of #24464
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#25689

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC22×C4C24×C79
prime radical#535×C79C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

988 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:

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

Conjugacy classes & character table

3634 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 18677);