Finite Group Databasebeta

C79×#17587 #34129276

order20224
nilpotency class3
isoclinismisoclinic class of #17577
automorphism?
homologyAbelianization (H1) = C23×C4×C79 · Schur multiplier (H2) = C26

Aliases

direct productC79×#17587

Subgroups

subgroupG/H
center, socleC22×C79C22×C22⋊C4
commutatorC2×C4C23×C4×C79
Frattini, cosocleC22×C4C24×C79
prime radicalC2×#525×C79C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C24×C4×C79 ◁ G

1466 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 4 generators on 103 points:

(1,2)(3,7,8,5)(4,6)(9,10)(11,17,20,23)(12,16)(13,15)(14,19,22,18)(21,24)(25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103);(1,3)(2,5)(4,8)(6,7)(9,11)(10,14)(12,18)(13,20)(15,22)(16,23)(17,24)(19,21);(10,15)(14,22)(16,24)(17,23);(2,6)(5,7)(9,12,13,21)(10,16,15,24)(11,18,20,19)(14,23,22,17)

Conjugacy classes & character table

4108 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 10575);