Finite Group Databasebeta

#1319×D79 #34197369

order20224
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C24

Aliases

direct product#1319×D79

Splittings

FittingC79×#1319 ⋊ C2
SylowC79 ⋊ C2×#1319

Subgroups

subgroupG/H
centerC22#99×D79
commutatorC2×C4×C79C22×C8
FrattiniC2×C4⋊C4C22×D79
FittingC79×#1319C2
socleC22×C79C2×#99
prime radicalC23×D79C22⋊C4
cosocleC2×C4⋊C4×C79C23
hypercenter#1319D79
hypocenterC79C2×#1319
LCSG ▷ C2×C4×C79 ▷ C22×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C23 ◁ C2×C4⋊C4 ◁ #1319

618 conjugacy classes of subgroups; only the 101 normal subgroups are shown.

normal subgroups only

This group has 618 conjugacy classes of subgroups — too many to draw. Only its 101 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) = 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)(88,90,92,98)(89,93,95,102)(91,100,101,97)(94,103,99,96);(80,81,82,84,83,85,86,87)(88,89)(90,96,98,103)(91,99,101,94)(92,95)(93,97)(100,102)

Conjugacy classes & character table

1066 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 78668);