Finite Group Databasebeta

C79×#18438 #34130127

order20224
nilpotency class3
isoclinismisoclinic class of #18414
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#18438

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC79×#3561C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

908 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:

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

Conjugacy classes & character table

2923 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 11426);