Finite Group Databasebeta

#14514921

order1920
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C4

Aliases

No aliases for this group.

Splittings

derivedSL(2,𝔽5) ⋊ C42

Subgroups

subgroupG/H
center, Frattini, socleC23C2×S5
commutator, hypocenterSL(2,𝔽5)C42
Fitting, hypercenterC22×C4S5
prime radical, cosocleC22×SL(2,𝔽5)C22
LCSG ▷ SL(2,𝔽5)
UCSC1 ◁ C23 ◁ C22×C4

324 conjugacy classes of subgroups; only the 34 normal subgroups are shown.

normal subgroups only

This group has 324 conjugacy classes of subgroups — too many to draw. Only its 34 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 384

Permutation generators:

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

Conjugacy classes & character table

72 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 240619);