Finite Group Databasebeta

C2×D7725 #44525434

order30900
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15450
direct productC2×D7725
unambiguous semidirect product(C2×C3)⋊D2575
unambiguous semidirect product(C2×C25)⋊D309
unambiguous semidirect product(C2×C103)⋊D75

Splittings

FittingC2×C3×C25×C103 ⋊ C2
derived, HallC3×C25×C103 ⋊ C22
HallC25×C103 ⋊ C2×D3
HallC3×C103 ⋊ C2×D25
SylowC103 ⋊ C2×D75
HallC3×C25 ⋊ C2×D103
SylowC25 ⋊ C2×D309
SylowC3 ⋊ C2×D2575

Subgroups

subgroupG/H
center, hypercenterC2D7725
commutator, cosocle, hypocenterC3×C25×C103C22
FrattiniC5C2×D1545
FittingC2×C3×C25×C103C2
socleC2×C3×C5×C103D5
LCSG ▷ C3×C25×C103
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 133
transitive degreeμt(G) = 15450

A minimal faithful permutation representation — 2 generators on 133 points:

(1,2)(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)(31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133);(4,5)(7,30)(8,29)(9,28)(10,27)(11,26)(12,25)(13,24)(14,23)(15,22)(16,21)(17,20)(18,19)(32,133)(33,132)(34,131)(35,130)(36,129)(37,128)(38,127)(39,126)(40,125)(41,124)(42,123)(43,122)(44,121)(45,120)(46,119)(47,118)(48,117)(49,116)(50,115)(51,114)(52,113)(53,112)(54,111)(55,110)(56,109)(57,108)(58,107)(59,106)(60,105)(61,104)(62,103)(63,102)(64,101)(65,100)(66,99)(67,98)(68,97)(69,96)(70,95)(71,94)(72,93)(73,92)(74,91)(75,90)(76,89)(77,88)(78,87)(79,86)(80,85)(81,84)(82,83)

Conjugacy classes & character table

7728 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD30900
maximal normal subgroup ofD30900
maximal quotient ofDic15450, D30900

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30900, 40);