Finite Group Databasebeta

#1286×D79 #34178043

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

Aliases

direct product#1286×D79

Splittings

FittingC79×#1286 ⋊ C2
SylowC79 ⋊ C2×#1286

Subgroups

subgroupG/H
centerC22#95×D79
commutatorC2×C4×C79C2×C42
FrattiniC2×C42C22×D79
FittingC79×#1286C2
socleC22×C79C2×#95
prime radicalC23×D79C22⋊C4
cosocleC2×C42×C79C23
hypercenter#1286D79
hypocenterC79C2×#1286
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1286

702 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 103 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)(80,81,83,86,84,87,82,85)(88,90,91,98,92,97,99,103)(89,93,95,100,94,96,101,102);(81,85)(82,83)(86,87)(88,89)(90,96,97,93)(91,95)(92,94)(98,102,103,100)(99,101)

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, 59342);