Finite Group Databasebeta

C79×#23649 #34135338

order20224
nilpotency class3
isoclinismisoclinic class of #23472
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#23649

Subgroups

subgroupG/H
centerC4×C79C2×#124
commutator, Frattini, cosocleC22×C4C24×C79
socleC2×C79C2×#397
prime radicalC22×#41×C79C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C79 ◁ C23×C4×C79 ◁ G

892 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 4 generators on 111 points:

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

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, 16637);