Finite Group Databasebeta

C2×#23761491 #34203145

order20224
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C25

Aliases

direct productC2×#23761491

Splittings

SylowC79 ⋊ C2×#1380

Subgroups

subgroupG/H
centerC24#11929609
commutatorC8×C79C2×C42
FrattiniC22×C8C22×D79
FittingC22×#107×C79C2
socle, prime radicalC24×C79D8
cosocleC22×C8×C79C23
hypercenterC22×#107D79
hypocenterC79C2×#1380
LCSG ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C24 ◁ C23×C4 ◁ C23×C8 ◁ C22×#107

694 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 20224

A minimal faithful permutation representation — 3 generators on 105 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)(86,87,88,89)(90,91,93,97,94,98,92,96,95,99,100,104,101,103,102,105);(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)(82,83,84,85)(91,96)(92,100)(93,102)(94,101)(97,98)(99,105)(103,104);(80,81)

Conjugacy classes & character table

2272 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 84444);