Finite Group Databasebeta

#1384×D79 #34203176

order20224
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4

Aliases

direct product#1384×D79

Splittings

FittingC79×#1384 ⋊ C2
SylowC79 ⋊ C2×#1384

Subgroups

subgroupG/H
centerC4#106×D79
commutatorC8×C79C2×C42
FrattiniC22×C8C22×D79
FittingC79×#1384C2
socleC2×C79C2×#340
prime radicalC23×D79D8
cosocleC22×C8×C79C23
hypercenter#1384D79
hypocenterC79C2×#1384
LCSG ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C4 ◁ C22×C4 ◁ C22×C8 ◁ #1384

586 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 111 points:

(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)(22,23)(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);(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)(80,82,84,95,100,109,98,107,86,94,97,108,85,96,83,93)(81,87,89,103,101,110,88,92,91,102,105,111,90,104,99,106);(80,81)(82,92,94,106)(83,89)(84,99)(85,101)(86,91)(87,93,102,107)(88,97)(90,100)(95,110,108,104)(96,111,109,103)(98,105)

Conjugacy classes & character table

1312 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 84475);