Finite Group Databasebeta

C79×#18647 #34130336

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

Aliases

direct productC79×#18647

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC79×#3511C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

928 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:

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

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, 11635);