Finite Group Databasebeta

C79×#25512 #34137201

order20224
nilpotency class3
isoclinismisoclinic class of #24390
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#25512

Subgroups

subgroupG/H
center, socleC23×C79C22×D4
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC24×C79C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C79 ◁ C2×#117×C79 ◁ G

1028 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 107
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 107 points:

(5,6)(7,11)(8,10)(9,12)(13,14,18,23)(15,24,19,20)(16,27,22,17)(21,25,26,28)(29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107);(1,2)(3,4)(5,7,8,12)(6,9,10,11)(13,15,18,19)(14,20,23,24)(16,28,22,25)(17,21,27,26);(2,4)(13,16,15,25,18,22,19,28)(14,21,20,17,23,26,24,27);(6,10)(9,11)(13,17)(14,22)(15,26)(16,23)(18,27)(19,21)(20,28)(24,25)

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, 18500);