Finite Group Databasebeta

C79×#18639 #34130328

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

Aliases

direct productC79×#18639

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC79×#3247C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

890 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)(3,10)(4,7)(5,8)(6,13)(9,14)(11,15)(12,16)(19,25)(20,27)(22,30)(23,28)(26,29)(31,32)(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)(5,12)(7,10)(8,15)(9,16)(13,14)(17,18,21,24)(19,22,26,31)(20,28,27,23)(25,32,29,30);(1,4,5,14)(2,7,8,9)(3,11,12,13)(6,10,15,16)(17,19)(18,22)(20,29)(21,26)(23,32)(24,31)(25,27)(28,30);(2,8)(3,12)(7,9)(11,13)

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, 11627);