Finite Group Databasebeta

C8×#14579100 #34197245

order20224
automorphism?
homologyAbelianization (H1) = C2×C82 · Schur multiplier (H2) = C2×C8

Aliases

direct productC8×#14579100

Splittings

FittingC8×C16×C79 ⋊ C2
SylowC79 ⋊ C8×M32

Subgroups

subgroupG/H
centerC82C2×D79
commutatorC2×C79C2×C82
FrattiniC4×C8C22×D79
FittingC8×C16×C79C2
socleC22×C79C2×C4×C8
prime radicalC22×D79C4×C8
cosocleC4×C8×C79C23
hypercenterC8×C16D79
hypocenterC79C8×M32
LCSG ▷ C2×C79 ▷ C79
UCSC1 ◁ C82 ◁ C8×C16

354 conjugacy classes of subgroups; only the 207 normal subgroups are shown.

normal subgroups only

This group has 354 conjugacy classes of subgroups — too many to draw. Only its 207 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 10112

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)(89,93)(94,99)(95,100)(101,103);(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)(88,89,90,94,91,95,96,101,92,93,97,99,98,100,102,103);(80,81,82,84,83,85,86,87)

Conjugacy classes & character table

5152 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 78544);