Finite Group Databasebeta

#1403×D79 #34208498

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct product#1403×D79

Splittings

FittingC79×#1403 ⋊ C2
SylowC79 ⋊ C2×#1403

Subgroups

subgroupG/H
centerC2AΣL(1,𝔽16)×D79
commutatorC2×D4×C79C22×C4
Frattini#124C22×D79
FittingC79×#1403C2
socleC2×C79C2×AΣL(1,𝔽16)
prime radicalH(5,𝔽2)×D79C4
cosocle#124×C79C23
hypercenter#1403D79
hypocenterC79C2×#1403
LCSG ▷ C2×D4×C79 ▷ C2×C4×C79 ▷ C22×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C22 ◁ C2×C4 ◁ #124 ◁ #1403

514 conjugacy classes of subgroups; only the 61 normal subgroups are shown.

normal subgroups only

This group has 514 conjugacy classes of subgroups — too many to draw. Only its 61 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) = 95
transitive degreeμt(G) = 1264

A minimal faithful permutation representation — 3 generators on 95 points:

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

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 89797);