Finite Group Databasebeta

C79×#21781 #34133470

order20224
nilpotency class3
isoclinismisoclinic class of #21776
automorphism?
homologyAbelianization (H1) = C23×C4×C79 · Schur multiplier (H2) = C26

Aliases

direct productC79×#21781

Subgroups

subgroupG/H
center, socleC2×C79#2308
commutatorC23C23×C4×C79
Frattini, cosocleC22×C4C24×C79
prime radicalC79×#3487C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C79 ◁ C22×C4×C79 ◁ G

1258 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:

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

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, 14769);