Finite Group Databasebeta

C79×#18313 #34130002

order20224
nilpotency class3
isoclinismisoclinic class of #18284
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#18313

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC79×#3455C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

910 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(G) = 5056

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

(1,2,5,9)(3,10,13,16)(4,7,14,8)(6,11,15,12)(18,22)(20,29)(23,31)(24,25)(26,27)(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)(8,16)(9,15)(12,14)(17,18)(19,23)(20,24)(21,25)(22,29)(26,31)(27,30)(28,32);(1,4,5,14)(2,7,9,8)(3,11,13,12)(6,10,15,16)(17,19,21,28)(18,23,25,32)(20,26,29,27)(22,30,24,31);(17,20,21,29)(18,24,25,22)(19,26,28,27)(23,31,32,30)

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, 11301);