Finite Group Databasebeta

C79×#18974 #34130663

order20224
nilpotency class3
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#18974

Subgroups

subgroupG/H
center, socleC22×C79C2×#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC79×#3546C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

930 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:

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

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, 11962);