Finite Group Databasebeta

C79×#18744 #34130433

order20224
nilpotency class3
isoclinismisoclinic class of #18712
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#18744

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC79×#3212C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

852 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:

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

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, 11732);