Finite Group Databasebeta

C2×#23763472 #34287997

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#23763472

Splittings

SylowC79 ⋊ C2×#1819

Subgroups

subgroupG/H
centerC23C2×(C2×D79)⋊C4
commutatorC23×C79C23×C4
FrattiniC24C23×D79
FittingC2×#379×C79C2
socleC23×C79C2×C22⋊C4
prime radicalC26×C79C22
cosocleC24×C79C24
hypercenterC2×#379D79
hypocenterC79C2×#1819
LCSG ▷ C23×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C23 ◁ C26 ◁ C2×#379

3118 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 97
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 4 generators on 97 points:

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

Conjugacy classes & character table

2248 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 169296);