Finite Group Databasebeta

C79×#18673 #34130362

order20224
nilpotency class3
isoclinismisoclinic class of #18618
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#18673

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC79×#3518C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

872 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:

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

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, 11661);