Finite Group Databasebeta

C79×#18602 #34130291

order20224
nilpotency class3
isoclinismisoclinic class of #18562
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#18602

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC79×#3184C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

900 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 111 points:

(1,2)(3,10)(4,7)(5,9)(6,12)(8,14)(11,16)(13,15)(18,22)(19,25)(20,27)(24,28)(26,29)(30,32)(33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111);(1,3)(2,6)(4,11)(5,13)(7,10)(8,15)(9,16)(12,14)(17,18)(19,23)(20,28)(21,24)(22,27)(25,30)(26,31)(29,32);(1,4,5,14)(2,7,9,8)(3,11,13,12)(6,10,16,15)(17,19,21,26)(18,23,24,31)(20,29,27,25)(22,30,28,32);(1,4,5,14)(2,7,9,8)(3,12,13,11)(6,15,16,10)(18,24)(22,28)(23,31)(30,32)

Conjugacy classes & character table

3160 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 11590);